Fort McHenry National Monument & Historic Shrine, East Fort Avenue at ...
Significance: The pentagonal fort is the most important, least changed, surviving feature of the historic bombardment of Fort McHenry, September 13-14, 1814. The sally port, casemates, and guard rooms were bui... More
Castillo de San Felipe del Morro, Northwest end of San Juan, San Juan,...
Significance: This fort is one of the three defenses erected to protect Spain's first permanent colony in the present territory of the United States. Unprocessed Field note material exists for this structure: ... More
Castillo de San Felipe del Morro, Northwest end of San Juan, San Juan,...
Significance: This fort is one of the three defenses erected to protect Spain's first permanent colony in the present territory of the United States. Unprocessed Field note material exists for this structure: ... More
Castillo de San Felipe del Morro, Northwest end of San Juan, San Juan,...
Significance: This fort is one of the three defenses erected to protect Spain's first permanent colony in the present territory of the United States. Unprocessed Field note material exists for this structure: ... More
Castillo de San Felipe del Morro, Northwest end of San Juan, San Juan,...
Significance: This fort is one of the three defenses erected to protect Spain's first permanent colony in the present territory of the United States. Unprocessed Field note material exists for this structure: ... More
Castillo de San Felipe del Morro, Northwest end of San Juan, San Juan,...
Significance: This fort is one of the three defenses erected to protect Spain's first permanent colony in the present territory of the United States. Unprocessed Field note material exists for this structure: ... More
Castillo de San Felipe del Morro, Northwest end of San Juan, San Juan,...
Significance: This fort is one of the three defenses erected to protect Spain's first permanent colony in the present territory of the United States. Unprocessed Field note material exists for this structure: ... More
Castillo de San Felipe del Morro, Northwest end of San Juan, San Juan,...
Significance: This fort is one of the three defenses erected to protect Spain's first permanent colony in the present territory of the United States. Unprocessed Field note material exists for this structure: ... More
Castillo de San Felipe del Morro, Northwest end of San Juan, San Juan,...
Significance: This fort is one of the three defenses erected to protect Spain's first permanent colony in the present territory of the United States. Unprocessed Field note material exists for this structure: ... More
Castillo de San Felipe del Morro, Northwest end of San Juan, San Juan,...
Significance: This fort is one of the three defenses erected to protect Spain's first permanent colony in the present territory of the United States. Unprocessed Field note material exists for this structure: ... More
Castillo de San Felipe del Morro, Northwest end of San Juan, San Juan,...
Significance: This fort is one of the three defenses erected to protect Spain's first permanent colony in the present territory of the United States. Unprocessed Field note material exists for this structure: ... More
Castillo de San Felipe del Morro, Northwest end of San Juan, San Juan,...
Significance: This fort is one of the three defenses erected to protect Spain's first permanent colony in the present territory of the United States. Unprocessed Field note material exists for this structure: ... More
Castillo de San Felipe del Morro, Northwest end of San Juan, San Juan,...
Significance: This fort is one of the three defenses erected to protect Spain's first permanent colony in the present territory of the United States. Unprocessed Field note material exists for this structure: ... More
Castillo de San Felipe del Morro, Northwest end of San Juan, San Juan,...
Significance: This fort is one of the three defenses erected to protect Spain's first permanent colony in the present territory of the United States. Unprocessed Field note material exists for this structure: ... More
Castillo de San Felipe del Morro, Northwest end of San Juan, San Juan,...
Significance: This fort is one of the three defenses erected to protect Spain's first permanent colony in the present territory of the United States. Unprocessed Field note material exists for this structure: ... More
Castillo de San Felipe del Morro, Northwest end of San Juan, San Juan,...
Significance: This fort is one of the three defenses erected to protect Spain's first permanent colony in the present territory of the United States. Unprocessed Field note material exists for this structure: ... More
Castillo de San Felipe del Morro, Northwest end of San Juan, San Juan,...
Significance: This fort is one of the three defenses erected to protect Spain's first permanent colony in the present territory of the United States. Unprocessed Field note material exists for this structure: ... More
Castillo de San Felipe del Morro, Northwest end of San Juan, San Juan,...
Significance: This fort is one of the three defenses erected to protect Spain's first permanent colony in the present territory of the United States. Unprocessed Field note material exists for this structure: ... More
Castillo de San Felipe del Morro, Northwest end of San Juan, San Juan,...
Significance: This fort is one of the three defenses erected to protect Spain's first permanent colony in the present territory of the United States. Unprocessed Field note material exists for this structure: ... More
Fort McHenry National Monument & Historic Shrine, East Fort Avenue at ...
Significance: The pentagonal fort is the most important, least changed, surviving feature of the historic bombardment of Fort McHenry, September 13-14, 1814. The sally port, casemates, and guard rooms were bui... More
Fort McHenry National Monument & Historic Shrine, East Fort Avenue at ...
Significance: The pentagonal fort is the most important, least changed, surviving feature of the historic bombardment of Fort McHenry, September 13-14, 1814. The sally port, casemates, and guard rooms were bui... More
Castillo de San Felipe del Morro, Northwest end of San Juan, San Juan,...
Significance: This fort is one of the three defenses erected to protect Spain's first permanent colony in the present territory of the United States. Unprocessed Field note material exists for this structure: ... More
Castillo de San Felipe del Morro, Northwest end of San Juan, San Juan,...
Significance: This fort is one of the three defenses erected to protect Spain's first permanent colony in the present territory of the United States. Unprocessed Field note material exists for this structure: ... More
Castillo de San Felipe del Morro, Northwest end of San Juan, San Juan,...
Significance: This fort is one of the three defenses erected to protect Spain's first permanent colony in the present territory of the United States. Unprocessed Field note material exists for this structure: ... More
Castillo de San Felipe del Morro, Northwest end of San Juan, San Juan,...
Significance: This fort is one of the three defenses erected to protect Spain's first permanent colony in the present territory of the United States. Unprocessed Field note material exists for this structure: ... More
Castillo de San Felipe del Morro, Northwest end of San Juan, San Juan,...
Significance: This fort is one of the three defenses erected to protect Spain's first permanent colony in the present territory of the United States. Unprocessed Field note material exists for this structure: ... More
Castillo de San Felipe del Morro, Northwest end of San Juan, San Juan,...
Significance: This fort is one of the three defenses erected to protect Spain's first permanent colony in the present territory of the United States. Unprocessed Field note material exists for this structure: ... More
Castillo de San Felipe del Morro, Northwest end of San Juan, San Juan,...
Significance: This fort is one of the three defenses erected to protect Spain's first permanent colony in the present territory of the United States. Unprocessed Field note material exists for this structure: ... More
Castillo de San Felipe del Morro, Northwest end of San Juan, San Juan,...
Significance: This fort is one of the three defenses erected to protect Spain's first permanent colony in the present territory of the United States. Unprocessed Field note material exists for this structure: ... More
Castillo de San Felipe del Morro, Northwest end of San Juan, San Juan,...
Significance: This fort is one of the three defenses erected to protect Spain's first permanent colony in the present territory of the United States. Unprocessed Field note material exists for this structure: ... More
Castillo de San Felipe del Morro, Northwest end of San Juan, San Juan,...
Significance: This fort is one of the three defenses erected to protect Spain's first permanent colony in the present territory of the United States. Unprocessed Field note material exists for this structure: ... More
Castillo de San Felipe del Morro Sally Port & Chapel, Northwest end of...
Unprocessed Field note material exists for this structure: FN-9 Survey number: HABS PR-55 Building/structure dates: after 1780 Initial Construction Building/structure dates: 1930 Subsequent Work Building/st... More
Castillo de San Felipe del Morro Sally Port & Chapel, Northwest end of...
Unprocessed Field note material exists for this structure: FN-9 Survey number: HABS PR-55 Building/structure dates: after 1780 Initial Construction Building/structure dates: 1930 Subsequent Work Building/st... More
Castillo de San Felipe del Morro Sally Port & Chapel, Northwest end of...
Unprocessed Field note material exists for this structure: FN-9 Survey number: HABS PR-55 Building/structure dates: after 1780 Initial Construction Building/structure dates: 1930 Subsequent Work Building/st... More
Fort McHenry National Monument & Historic Shrine, East Fort Avenue at ...
Significance: The pentagonal fort is the most important, least changed, surviving feature of the historic bombardment of Fort McHenry, September 13-14, 1814. The sally port, casemates, and guard rooms were bui... More
Fort McHenry National Monument & Historic Shrine, East Fort Avenue at ...
Significance: The pentagonal fort is the most important, least changed, surviving feature of the historic bombardment of Fort McHenry, September 13-14, 1814. The sally port, casemates, and guard rooms were bui... More
Castillo de San Felipe del Morro, Northwest end of San Juan, San Juan,...
Significance: This fort is one of the three defenses erected to protect Spain's first permanent colony in the present territory of the United States. Unprocessed Field note material exists for this structure: ... More
Castillo de San Felipe del Morro, Northwest end of San Juan, San Juan,...
Significance: This fort is one of the three defenses erected to protect Spain's first permanent colony in the present territory of the United States. Unprocessed Field note material exists for this structure: ... More
Castillo de San Felipe del Morro, Northwest end of San Juan, San Juan,...
Significance: This fort is one of the three defenses erected to protect Spain's first permanent colony in the present territory of the United States. Unprocessed Field note material exists for this structure: ... More
Castillo de San Felipe del Morro, Northwest end of San Juan, San Juan,...
Significance: This fort is one of the three defenses erected to protect Spain's first permanent colony in the present territory of the United States. Unprocessed Field note material exists for this structure: ... More
Castillo de San Felipe del Morro, Northwest end of San Juan, San Juan,...
Significance: This fort is one of the three defenses erected to protect Spain's first permanent colony in the present territory of the United States. Unprocessed Field note material exists for this structure: ... More
Castillo de San Felipe del Morro, Northwest end of San Juan, San Juan,...
Significance: This fort is one of the three defenses erected to protect Spain's first permanent colony in the present territory of the United States. Unprocessed Field note material exists for this structure: ... More
Castillo de San Felipe del Morro, Northwest end of San Juan, San Juan,...
Significance: This fort is one of the three defenses erected to protect Spain's first permanent colony in the present territory of the United States. Unprocessed Field note material exists for this structure: ... More
Castillo de San Felipe del Morro, Northwest end of San Juan, San Juan,...
Significance: This fort is one of the three defenses erected to protect Spain's first permanent colony in the present territory of the United States. Unprocessed Field note material exists for this structure: ... More
Castillo de San Felipe del Morro, Northwest end of San Juan, San Juan,...
Significance: This fort is one of the three defenses erected to protect Spain's first permanent colony in the present territory of the United States. Unprocessed Field note material exists for this structure: ... More
Castillo de San Felipe del Morro, Northwest end of San Juan, San Juan,...
Significance: This fort is one of the three defenses erected to protect Spain's first permanent colony in the present territory of the United States. Unprocessed Field note material exists for this structure: ... More
Castillo de San Felipe del Morro, Northwest end of San Juan, San Juan,...
Significance: This fort is one of the three defenses erected to protect Spain's first permanent colony in the present territory of the United States. Unprocessed Field note material exists for this structure: ... More
Fort Mackinac, Mackinac Island, Mackinac County, MI
Unprocessed Field note material exists for this structure: FN-30 Survey number: HABS MI-213 Building/structure dates: 18q4 Initial Construction National Register of Historic Places NRIS Number: 66000395
Castillo de San Felipe del Morro Sally Port & Chapel, Northwest end of...
Unprocessed Field note material exists for this structure: FN-9 Survey number: HABS PR-55 Building/structure dates: after 1780 Initial Construction Building/structure dates: 1930 Subsequent Work Building/st... More
Castillo de San Felipe del Morro Sally Port & Chapel, Northwest end of...
Unprocessed Field note material exists for this structure: FN-9 Survey number: HABS PR-55 Building/structure dates: after 1780 Initial Construction Building/structure dates: 1930 Subsequent Work Building/st... More
Alcatraz, Sally Port, Alcatraz Island, San Francisco Bay, San Francisc...
Survey number: HABS CA-1792-K National Register of Historic Places NRIS Number: 76000209
Fort McHenry National Monument & Historic Shrine, East Fort Avenue at ...
Significance: The pentagonal fort is the most important, least changed, surviving feature of the historic bombardment of Fort McHenry, September 13-14, 1814. The sally port, casemates, and guard rooms were bui... More
Fort McHenry National Monument & Historic Shrine, East Fort Avenue at ...
Significance: The pentagonal fort is the most important, least changed, surviving feature of the historic bombardment of Fort McHenry, September 13-14, 1814. The sally port, casemates, and guard rooms were bui... More
Fort McHenry National Monument & Historic Shrine, East Fort Avenue at ...
Significance: The pentagonal fort is the most important, least changed, surviving feature of the historic bombardment of Fort McHenry, September 13-14, 1814. The sally port, casemates, and guard rooms were bui... More
Fort McHenry National Monument & Historic Shrine, East Fort Avenue at ...
Significance: The pentagonal fort is the most important, least changed, surviving feature of the historic bombardment of Fort McHenry, September 13-14, 1814. The sally port, casemates, and guard rooms were bui... More
Castillo de San Felipe del Morro, Northwest end of San Juan, San Juan,...
Significance: This fort is one of the three defenses erected to protect Spain's first permanent colony in the present territory of the United States. Unprocessed Field note material exists for this structure: ... More
Castillo de San Felipe del Morro, Northwest end of San Juan, San Juan,...
Significance: This fort is one of the three defenses erected to protect Spain's first permanent colony in the present territory of the United States. Unprocessed Field note material exists for this structure: ... More
Castillo de San Felipe del Morro, Northwest end of San Juan, San Juan,...
Significance: This fort is one of the three defenses erected to protect Spain's first permanent colony in the present territory of the United States. Unprocessed Field note material exists for this structure: ... More
Castillo de San Felipe del Morro, Northwest end of San Juan, San Juan,...
Significance: This fort is one of the three defenses erected to protect Spain's first permanent colony in the present territory of the United States. Unprocessed Field note material exists for this structure: ... More
Castillo de San Felipe del Morro, Northwest end of San Juan, San Juan,...
Significance: This fort is one of the three defenses erected to protect Spain's first permanent colony in the present territory of the United States. Unprocessed Field note material exists for this structure: ... More
Castillo de San Felipe del Morro, Northwest end of San Juan, San Juan,...
Significance: This fort is one of the three defenses erected to protect Spain's first permanent colony in the present territory of the United States. Unprocessed Field note material exists for this structure: ... More
Castillo de San Felipe del Morro, Northwest end of San Juan, San Juan,...
Significance: This fort is one of the three defenses erected to protect Spain's first permanent colony in the present territory of the United States. Unprocessed Field note material exists for this structure: ... More
Castillo de San Felipe del Morro, Northwest end of San Juan, San Juan,...
Significance: This fort is one of the three defenses erected to protect Spain's first permanent colony in the present territory of the United States. Unprocessed Field note material exists for this structure: ... More
Castillo de San Felipe del Morro, Northwest end of San Juan, San Juan,...
Significance: This fort is one of the three defenses erected to protect Spain's first permanent colony in the present territory of the United States. Unprocessed Field note material exists for this structure: ... More
Castillo de San Felipe del Morro, Northwest end of San Juan, San Juan,...
Significance: This fort is one of the three defenses erected to protect Spain's first permanent colony in the present territory of the United States. Unprocessed Field note material exists for this structure: ... More
Castillo de San Felipe del Morro, Northwest end of San Juan, San Juan,...
Significance: This fort is one of the three defenses erected to protect Spain's first permanent colony in the present territory of the United States. Unprocessed Field note material exists for this structure: ... More
Castillo de San Felipe del Morro, Northwest end of San Juan, San Juan,...
Significance: This fort is one of the three defenses erected to protect Spain's first permanent colony in the present territory of the United States. Unprocessed Field note material exists for this structure: ... More
Castillo de San Felipe del Morro, Northwest end of San Juan, San Juan,...
Significance: This fort is one of the three defenses erected to protect Spain's first permanent colony in the present territory of the United States. Unprocessed Field note material exists for this structure: ... More
Fort Mackinac, Mackinac Island, Mackinac County, MI
Unprocessed Field note material exists for this structure: FN-30 Survey number: HABS MI-213 Building/structure dates: 18q4 Initial Construction National Register of Historic Places NRIS Number: 66000395
Fort Wayne, Sally Ports, West Jefferson Avenue, Detroit, Wayne County,...
Unprocessed Field note material exists for this structure: FN-4 Survey number: HABS MI-27-4-C Building/structure dates: 1845 Initial Construction
Fort Wayne, Sally Ports, West Jefferson Avenue, Detroit, Wayne County,...
Unprocessed Field note material exists for this structure: FN-4 Survey number: HABS MI-27-4-C Building/structure dates: 1845 Initial Construction
Castillo de San Felipe del Morro Sally Port & Chapel, Northwest end of...
Unprocessed Field note material exists for this structure: FN-9 Survey number: HABS PR-55 Building/structure dates: after 1780 Initial Construction Building/structure dates: 1930 Subsequent Work Building/st... More
Castillo de San Felipe del Morro Sally Port & Chapel, Northwest end of...
Unprocessed Field note material exists for this structure: FN-9 Survey number: HABS PR-55 Building/structure dates: after 1780 Initial Construction Building/structure dates: 1930 Subsequent Work Building/st... More
Castillo de San Felipe del Morro Sally Port & Chapel, Northwest end of...
Unprocessed Field note material exists for this structure: FN-9 Survey number: HABS PR-55 Building/structure dates: after 1780 Initial Construction Building/structure dates: 1930 Subsequent Work Building/st... More
Fort McHenry National Monument & Historic Shrine, East Fort Avenue at ...
Significance: The pentagonal fort is the most important, least changed, surviving feature of the historic bombardment of Fort McHenry, September 13-14, 1814. The sally port, casemates, and guard rooms were bui... More
Fort McHenry National Monument & Historic Shrine, East Fort Avenue at ...
Significance: The pentagonal fort is the most important, least changed, surviving feature of the historic bombardment of Fort McHenry, September 13-14, 1814. The sally port, casemates, and guard rooms were bui... More
Fort McHenry National Monument & Historic Shrine, East Fort Avenue at ...
Significance: The pentagonal fort is the most important, least changed, surviving feature of the historic bombardment of Fort McHenry, September 13-14, 1814. The sally port, casemates, and guard rooms were bui... More
Castillo de San Felipe del Morro, Northwest end of San Juan, San Juan,...
Significance: This fort is one of the three defenses erected to protect Spain's first permanent colony in the present territory of the United States. Unprocessed Field note material exists for this structure: ... More
Castillo de San Felipe del Morro, Northwest end of San Juan, San Juan,...
Significance: This fort is one of the three defenses erected to protect Spain's first permanent colony in the present territory of the United States. Unprocessed Field note material exists for this structure: ... More
Castillo de San Felipe del Morro, Northwest end of San Juan, San Juan,...
Significance: This fort is one of the three defenses erected to protect Spain's first permanent colony in the present territory of the United States. Unprocessed Field note material exists for this structure: ... More
Castillo de San Felipe del Morro, Northwest end of San Juan, San Juan,...
Significance: This fort is one of the three defenses erected to protect Spain's first permanent colony in the present territory of the United States. Unprocessed Field note material exists for this structure: ... More
Castillo de San Felipe del Morro, Northwest end of San Juan, San Juan,...
Significance: This fort is one of the three defenses erected to protect Spain's first permanent colony in the present territory of the United States. Unprocessed Field note material exists for this structure: ... More
Castillo de San Felipe del Morro, Northwest end of San Juan, San Juan,...
Significance: This fort is one of the three defenses erected to protect Spain's first permanent colony in the present territory of the United States. Unprocessed Field note material exists for this structure: ... More
Castillo de San Felipe del Morro, Northwest end of San Juan, San Juan,...
Significance: This fort is one of the three defenses erected to protect Spain's first permanent colony in the present territory of the United States. Unprocessed Field note material exists for this structure: ... More
Castillo de San Felipe del Morro, Northwest end of San Juan, San Juan,...
Significance: This fort is one of the three defenses erected to protect Spain's first permanent colony in the present territory of the United States. Unprocessed Field note material exists for this structure: ... More
Castillo de San Felipe del Morro, Northwest end of San Juan, San Juan,...
Significance: This fort is one of the three defenses erected to protect Spain's first permanent colony in the present territory of the United States. Unprocessed Field note material exists for this structure: ... More
Castillo de San Felipe del Morro, Northwest end of San Juan, San Juan,...
Significance: This fort is one of the three defenses erected to protect Spain's first permanent colony in the present territory of the United States. Unprocessed Field note material exists for this structure: ... More
Castillo de San Felipe del Morro, Northwest end of San Juan, San Juan,...
Significance: This fort is one of the three defenses erected to protect Spain's first permanent colony in the present territory of the United States. Unprocessed Field note material exists for this structure: ... More
Castillo de San Felipe del Morro, Northwest end of San Juan, San Juan,...
Significance: This fort is one of the three defenses erected to protect Spain's first permanent colony in the present territory of the United States. Unprocessed Field note material exists for this structure: ... More
Castillo de San Felipe del Morro, Northwest end of San Juan, San Juan,...
Significance: This fort is one of the three defenses erected to protect Spain's first permanent colony in the present territory of the United States. Unprocessed Field note material exists for this structure: ... More
Castillo de San Felipe del Morro, Northwest end of San Juan, San Juan,...
Significance: This fort is one of the three defenses erected to protect Spain's first permanent colony in the present territory of the United States. Unprocessed Field note material exists for this structure: ... More
Castillo de San Felipe del Morro, Northwest end of San Juan, San Juan,...
Significance: This fort is one of the three defenses erected to protect Spain's first permanent colony in the present territory of the United States. Unprocessed Field note material exists for this structure: ... More
Fort Mackinac, Mackinac Island, Mackinac County, MI
Unprocessed Field note material exists for this structure: FN-30 Survey number: HABS MI-213 Building/structure dates: 18q4 Initial Construction National Register of Historic Places NRIS Number: 66000395
Fort Mackinac, Mackinac Island, Mackinac County, MI
Unprocessed Field note material exists for this structure: FN-30 Survey number: HABS MI-213 Building/structure dates: 18q4 Initial Construction National Register of Historic Places NRIS Number: 66000395
Fort Mackinac, Mackinac Island, Mackinac County, MI
Unprocessed Field note material exists for this structure: FN-30 Survey number: HABS MI-213 Building/structure dates: 18q4 Initial Construction National Register of Historic Places NRIS Number: 66000395
Fort Wayne, Sally Ports, West Jefferson Avenue, Detroit, Wayne County,...
Unprocessed Field note material exists for this structure: FN-4 Survey number: HABS MI-27-4-C Building/structure dates: 1845 Initial Construction
Alcatraz, Sally Port, Alcatraz Island, San Francisco Bay, San Francisc...
Survey number: HABS CA-1792-K National Register of Historic Places NRIS Number: 76000209
Fort McHenry National Monument & Historic Shrine, East Fort Avenue at ...
Significance: The pentagonal fort is the most important, least changed, surviving feature of the historic bombardment of Fort McHenry, September 13-14, 1814. The sally port, casemates, and guard rooms were bui... More
Fort McHenry National Monument & Historic Shrine, East Fort Avenue at ...
Significance: The pentagonal fort is the most important, least changed, surviving feature of the historic bombardment of Fort McHenry, September 13-14, 1814. The sally port, casemates, and guard rooms were bui... More
Fort McHenry National Monument & Historic Shrine, East Fort Avenue at ...
Significance: The pentagonal fort is the most important, least changed, surviving feature of the historic bombardment of Fort McHenry, September 13-14, 1814. The sally port, casemates, and guard rooms were bui... More