Zion-Mount Carmel Highway, Tunnel, Two miles east of Zion Canyon Sceni...
Significance: The 5,613-foot long, rock-faced Zion-Mount Carmel Tunnel with concrete spines was completed in 1930 and retains structural integrity. It is one of the most spectacular manmade sites at Zion Natio... More
Zion-Mount Carmel Highway, Tunnel, Two miles east of Zion Canyon Sceni...
Significance: The 5,613-foot long, rock-faced Zion-Mount Carmel Tunnel with concrete spines was completed in 1930 and retains structural integrity. It is one of the most spectacular manmade sites at Zion Natio... More
Hammon Consolidated Gold Fields, Nome, Nome Census Area, AK
Survey number: HAER AK-3 Building/structure dates: 1922 Subsequent Work Building/structure dates: 1941 Subsequent Work
Eli Whitney Armory, Forge Building, Mill River, Hamden, New Haven Coun...
Significance: An important part of Whitney's early manufacturing process. Archeological excavation of this building revealed the early water-power system, several original forge bases, and two large machinery ... More
The Elevated area, Livingstone Channel
Public domain photo of a monument, historic place, free to use, no copyright restrictions image - Picryl description
Solomon River Gold Dredge, Nome, Nome Census Area, AK
Survey number: HAER AK-2 Public domain photograph - historical image of Alaska, United States, free to use, no copyright restrictions image - Picryl description
Bonneville Power Administration South Bank Substation, I-84, South of ...
Significance: South Bank Substation was one of the first substations constructed by the Bonneville Power Administration. It is historically significant because it served to energize the BPA's first transmissio... More
Bonneville Power Administration South Bank Substation, I-84, South of ...
Significance: South Bank Substation was one of the first substations constructed by the Bonneville Power Administration. It is historically significant because it served to energize the BPA's first transmissio... More
Bas Obispo Cut, gelatin silver print
J188513 U.S. Copyright Office Copyright claimant's address: 143 Baronne St., New Orleans, La. No. 543. Copyright deposit; Gordon Panoramic Photo Co.; December 29, 1913; DLC/PP-1914:44724.
Quincy Mining Company, Hancock, Houghton County, MI
Significance: Quincy was Michigan's second largest copper producer, and one of national and international importance. The mine was extremely long-lived and profitable. Unprocessed Field note material exists f... More
Quincy Mining Company, Hancock, Houghton County, MI
Significance: Quincy was Michigan's second largest copper producer, and one of national and international importance. The mine was extremely long-lived and profitable. Unprocessed Field note material exists f... More
Quincy Mining Company, Hancock, Houghton County, MI
Significance: Quincy was Michigan's second largest copper producer, and one of national and international importance. The mine was extremely long-lived and profitable. Unprocessed Field note material exists f... More
Quincy Mining Company, Hancock, Houghton County, MI
Significance: Quincy was Michigan's second largest copper producer, and one of national and international importance. The mine was extremely long-lived and profitable. Unprocessed Field note material exists f... More
Quincy Mining Company, Hancock, Houghton County, MI
Significance: Quincy was Michigan's second largest copper producer, and one of national and international importance. The mine was extremely long-lived and profitable. Unprocessed Field note material exists f... More
Quincy Mining Company, Hancock, Houghton County, MI
Significance: Quincy was Michigan's second largest copper producer, and one of national and international importance. The mine was extremely long-lived and profitable. Unprocessed Field note material exists f... More
Quincy Mining Company, Hancock, Houghton County, MI
Significance: Quincy was Michigan's second largest copper producer, and one of national and international importance. The mine was extremely long-lived and profitable. Unprocessed Field note material exists f... More
Quincy Mining Company, Hancock, Houghton County, MI
Significance: Quincy was Michigan's second largest copper producer, and one of national and international importance. The mine was extremely long-lived and profitable. Unprocessed Field note material exists f... More
Quincy Mining Company, Hancock, Houghton County, MI
Significance: Quincy was Michigan's second largest copper producer, and one of national and international importance. The mine was extremely long-lived and profitable. Unprocessed Field note material exists f... More
Quincy Mining Company, Hancock, Houghton County, MI
Significance: Quincy was Michigan's second largest copper producer, and one of national and international importance. The mine was extremely long-lived and profitable. Unprocessed Field note material exists f... More
Quincy Mining Company, Hancock, Houghton County, MI
Significance: Quincy was Michigan's second largest copper producer, and one of national and international importance. The mine was extremely long-lived and profitable. Unprocessed Field note material exists f... More
Quincy Mining Company, Hancock, Houghton County, MI
Significance: Quincy was Michigan's second largest copper producer, and one of national and international importance. The mine was extremely long-lived and profitable. Unprocessed Field note material exists f... More
Quincy Mining Company, Hancock, Houghton County, MI
Significance: Quincy was Michigan's second largest copper producer, and one of national and international importance. The mine was extremely long-lived and profitable. Unprocessed Field note material exists f... More
Quincy Mining Company, Hancock, Houghton County, MI
Significance: Quincy was Michigan's second largest copper producer, and one of national and international importance. The mine was extremely long-lived and profitable. Unprocessed Field note material exists f... More
Quincy Mining Company, Hancock, Houghton County, MI
Significance: Quincy was Michigan's second largest copper producer, and one of national and international importance. The mine was extremely long-lived and profitable. Unprocessed Field note material exists f... More
Quincy Mining Company, Hancock, Houghton County, MI
Significance: Quincy was Michigan's second largest copper producer, and one of national and international importance. The mine was extremely long-lived and profitable. Unprocessed Field note material exists f... More
Quincy Mining Company, Hancock, Houghton County, MI
Significance: Quincy was Michigan's second largest copper producer, and one of national and international importance. The mine was extremely long-lived and profitable. Unprocessed Field note material exists f... More
Quincy Mining Company, Hancock, Houghton County, MI
Significance: Quincy was Michigan's second largest copper producer, and one of national and international importance. The mine was extremely long-lived and profitable. Unprocessed Field note material exists f... More
Belair, Tulip Grove Drive, Belair-at-Bowie, Bowie, Prince George's Cou...
Significance: Initially completed ca. 1746, Belair is an outstanding example of Georgian architecture. It was also home to two Maryland governors and symbolizes more than 250 years of thoroughbred horse racing.... More
Belair, Tulip Grove Drive, Belair-at-Bowie, Bowie, Prince George's Cou...
Significance: Initially completed ca. 1746, Belair is an outstanding example of Georgian architecture. It was also home to two Maryland governors and symbolizes more than 250 years of thoroughbred horse racing.... More
Belair, Tulip Grove Drive, Belair-at-Bowie, Bowie, Prince George's Cou...
Significance: Initially completed ca. 1746, Belair is an outstanding example of Georgian architecture. It was also home to two Maryland governors and symbolizes more than 250 years of thoroughbred horse racing.... More
Belair, Tulip Grove Drive, Belair-at-Bowie, Bowie, Prince George's Cou...
Significance: Initially completed ca. 1746, Belair is an outstanding example of Georgian architecture. It was also home to two Maryland governors and symbolizes more than 250 years of thoroughbred horse racing.... More
Belair, Tulip Grove Drive, Belair-at-Bowie, Bowie, Prince George's Cou...
Significance: Initially completed ca. 1746, Belair is an outstanding example of Georgian architecture. It was also home to two Maryland governors and symbolizes more than 250 years of thoroughbred horse racing.... More
Belair, Tulip Grove Drive, Belair-at-Bowie, Bowie, Prince George's Cou...
Significance: Initially completed ca. 1746, Belair is an outstanding example of Georgian architecture. It was also home to two Maryland governors and symbolizes more than 250 years of thoroughbred horse racing.... More
Spanish laborers at work in Culebra Cut and loaded train hauling dirt ...
Photograph shows the excavation and removal of dirt at the Culebra Cut. Includes extensive text on verso. J195509 U.S. Copyright Office. No. 11525. No. U-157250. Copyright by Underwood & Underwood. Exhibited: ... More
Eli Whitney Armory, West of Whitney Avenue, Armory Street Vicinity, Ha...
Significance: Location of the musket factory of Eli Whitney, an important contributor to the development of the American System of Manufacturing. It was here that Whitney attempted a system of production that ... More
Eli Whitney Armory, West of Whitney Avenue, Armory Street Vicinity, Ha...
Significance: Location of the musket factory of Eli Whitney, an important contributor to the development of the American System of Manufacturing. It was here that Whitney attempted a system of production that ... More
Eli Whitney Armory, West of Whitney Avenue, Armory Street Vicinity, Ha...
Significance: Location of the musket factory of Eli Whitney, an important contributor to the development of the American System of Manufacturing. It was here that Whitney attempted a system of production that ... More
![[Steam shovel removing a section of coffer dam, Livingstone Channel, Detroit, Mich.]](https://cache.getarchive.net/Prod/thumb/cdn4/L3Bob3RvLzE5MDAvMDEvMDEvc3RlYW0tc2hvdmVsLXJlbW92aW5nLWEtc2VjdGlvbi1vZi1jb2ZmZXItZGFtLWxpdmluZ3N0b25lLWNoYW5uZWwtZGV0cm9pdC1taWNoLTEwMjQuanBn/40/31/webp "[Steam shovel removing a section of coffer dam, Livingstone Channel, Detroit, Mich.]")
[Steam shovel removing a section of coffer dam, Livingstone Channel, D...
Picryl description: Public domain image of a historic building in Detroit, Michigan, free to use, no copyright restrictions.
Steam shovel, Livingstone Channel, Stony Island
"G 6692" on negative. Detroit Publishing Co. no. 071469. Gift; State Historical Society of Colorado; 1949.
![[The Excavated area, Livingstone Channel, Mich.]](https://cache.getarchive.net/Prod/thumb/cdn4/L3Bob3RvLzE5MDUvMDEvMDEvdGhlLWV4Y2F2YXRlZC1hcmVhLWxpdmluZ3N0b25lLWNoYW5uZWwtbWljaC0xMDI0LmpwZw%3D%3D/40/31/webp "[The Excavated area, Livingstone Channel, Mich.]")
[The Excavated area, Livingstone Channel, Mich.]
Public domain image of an industrial building, factory, structure, works, 19th-20th century industrial revolution, free to use, no copyright restrictions - Picryl description
Aqueduct excavation, Broadway - Glass negative photogrpah. Public doma...
Photo shows the New York City Aqueduct excavation site on Broadway. (Source: Flickr Commons project, 2010)
![View of 64[?] Medford Street, Somerville, Massachusetts. See also other photo. Location: Somerville, Massachusettsachusetts.](https://cache.getarchive.net/Prod/thumb/cdn4/L3Bob3RvLzE5MTIvMDEvMDEvdmlldy1vZi02NC1tZWRmb3JkLXN0cmVldC1zb21lcnZpbGxlLW1hc3Mtc2VlLWFsc28tb3RoZXItcGhvdG8tbG9jYXRpb24tc29tZXJ2aWxsZS0xMDI0LmpwZw%3D%3D/40/27/webp "View of 64[?] Medford Street, Somerville, Massachusetts. See also other photo. Location: Somerville, Massachusettsachusetts.")
View of 64[?] Medford Street, Somerville, Massachusetts. See also othe...
Public domain photograph - historical image of Massachusetts, United States, free to use, no copyright restrictions image - Picryl description
![Mosaic floor discovered in the Nativity Basilica [Church of the Nativity] of Bethlehem during process of restoration work in August, 1934. Excavation in the floor of the nave showing the Byzantine mosaic floor](https://cache.getarchive.net/Prod/thumb/cdn4/L3Bob3RvLzE5MzQvMDEvMDEvbW9zYWljLWZsb29yLWRpc2NvdmVyZWQtaW4tdGhlLW5hdGl2aXR5LWJhc2lsaWNhLWNodXJjaC1vZi10aGUtbmF0aXZpdHktb2YtMi0xMDI0LmpwZw%3D%3D/40/29/webp "Mosaic floor discovered in the Nativity Basilica [Church of the Nativity] of Bethlehem during process of restoration work in August, 1934. Excavation in the floor of the nave showing the Byzantine mosaic floor")
Mosaic floor discovered in the Nativity Basilica [Church of the Nativi...
Picryl description: Public domain image of a church, crypt, chamber, underground vault architecture, free to use, no copyright restrictions.
Excavating within the log cofferdam during an early stage of construct...
Public domain image of an industrial building, factory, structure, works, 19th-20th century industrial revolution, free to use, no copyright restrictions - Picryl description
Archaeological Excavation Team from the Lowie Museum Works on Remains ...
Doing historical and archaeological investigations at the former George Carrel Homestead, built ca. 1864 People in photograph: Prince, Eugene; Eisenmann, Lynn; Deetz, Jamey; Deetz, James
Excavating for new reservoir at Slater, Mo
Videodisc images are out of sequence; actual left to right order is 1A-21275, 21274. "JC 934" on L negative; "JC 935" on R negative. Detroit Publishing Co. no. 047025. Gift; State Historical Society of Colorado; 1949.
Bodie, General View, Bodie State Historic Park, Bodie, Mono County, CA
Significance: Bodie is a Registered National Historic Landmark, and California Historical Landmark #341. Placer gold was first discovered here in July, 1859 and a quartz vein was discovered in August, 1859; bu... More
Gold Placers Incorporated, Coak Creek Dredge, Near Coal Creek & Yukon ...
Significance: In 1934, Charles Janin, a prominent San Francisco mining engineer, designed a 4-cubic-foot dredge for Gold Placers Incorporated, a newly formed mining company organized by General A.D. McRae of Va... More
Jack Wade Dredge, Milepost 86, Taylor Highway, Chicken, Southeast Fair...
Significance: One of the first bucketline dredges in the Fortymile mining district, this dredge worked longer than any other. The remains sit on what is considered by many as the richest creek in the district.... More
Jack Wade Dredge, Milepost 86, Taylor Highway, Chicken, Southeast Fair...
Significance: One of the first bucketline dredges in the Fortymile mining district, this dredge worked longer than any other. The remains sit on what is considered by many as the richest creek in the district.... More
Jack Wade Dredge, Milepost 86, Taylor Highway, Chicken, Southeast Fair...
Significance: One of the first bucketline dredges in the Fortymile mining district, this dredge worked longer than any other. The remains sit on what is considered by many as the richest creek in the district.... More
Utah Copper Company, Bingham Canyon Mine, State Route 48, Copperton, S...
Public domain photograph - historical image of Utah, United States, free to use, no copyright restrictions image - Picryl description
Merrimack Canal, Lowell, Middlesex County, MA
Significance: The Merrimack Canal was the first of the series of power canals constructed at Lowell. At the end of it, the Merrimack Mills produced textiles using the process developed by Francis Cabot Lowell ... More
Merrimack Canal, Lowell, Middlesex County, MA
Significance: The Merrimack Canal was the first of the series of power canals constructed at Lowell. At the end of it, the Merrimack Mills produced textiles using the process developed by Francis Cabot Lowell ... More
Zion-Mount Carmel Highway, Tunnel, Two miles east of Zion Canyon Sceni...
Significance: The 5,613-foot long, rock-faced Zion-Mount Carmel Tunnel with concrete spines was completed in 1930 and retains structural integrity. It is one of the most spectacular manmade sites at Zion Natio... More
Zion-Mount Carmel Highway, Tunnel, Two miles east of Zion Canyon Sceni...
Significance: The 5,613-foot long, rock-faced Zion-Mount Carmel Tunnel with concrete spines was completed in 1930 and retains structural integrity. It is one of the most spectacular manmade sites at Zion Natio... More
Hammon Consolidated Gold Fields, Nome, Nome Census Area, AK
Survey number: HAER AK-3 Building/structure dates: 1922 Subsequent Work Building/structure dates: 1941 Subsequent Work
Hammon Consolidated Gold Fields, Nome, Nome Census Area, AK
Survey number: HAER AK-3 Building/structure dates: 1922 Subsequent Work Building/structure dates: 1941 Subsequent Work
Hammon Consolidated Gold Fields, Nome, Nome Census Area, AK
Survey number: HAER AK-3 Building/structure dates: 1922 Subsequent Work Building/structure dates: 1941 Subsequent Work
Gold Placers Incorporated, Warehouse, Near Coal Creek & Yukon River, E...
Significance: Gold mining is an important theme in the history of the upper Yukon River region in Alaska and Canada. One of several mining camps in the area, the Coal Creek Mining Camp contains many important c... More
Quincy Mining Company, Hancock, Houghton County, MI
Significance: Quincy was Michigan's second largest copper producer, and one of national and international importance. The mine was extremely long-lived and profitable. Unprocessed Field note material exists f... More
Quincy Mining Company, Hancock, Houghton County, MI
Significance: Quincy was Michigan's second largest copper producer, and one of national and international importance. The mine was extremely long-lived and profitable. Unprocessed Field note material exists f... More
Quincy Mining Company, Hancock, Houghton County, MI
Significance: Quincy was Michigan's second largest copper producer, and one of national and international importance. The mine was extremely long-lived and profitable. Unprocessed Field note material exists f... More
Quincy Mining Company, Hancock, Houghton County, MI
Significance: Quincy was Michigan's second largest copper producer, and one of national and international importance. The mine was extremely long-lived and profitable. Unprocessed Field note material exists f... More
Quincy Mining Company, Hancock, Houghton County, MI
Significance: Quincy was Michigan's second largest copper producer, and one of national and international importance. The mine was extremely long-lived and profitable. Unprocessed Field note material exists f... More
Quincy Mining Company, Hancock, Houghton County, MI
Significance: Quincy was Michigan's second largest copper producer, and one of national and international importance. The mine was extremely long-lived and profitable. Unprocessed Field note material exists f... More
Quincy Mining Company, Hancock, Houghton County, MI
Significance: Quincy was Michigan's second largest copper producer, and one of national and international importance. The mine was extremely long-lived and profitable. Unprocessed Field note material exists f... More
Quincy Mining Company, Hancock, Houghton County, MI
Significance: Quincy was Michigan's second largest copper producer, and one of national and international importance. The mine was extremely long-lived and profitable. Unprocessed Field note material exists f... More
Quincy Mining Company, Hancock, Houghton County, MI
Significance: Quincy was Michigan's second largest copper producer, and one of national and international importance. The mine was extremely long-lived and profitable. Unprocessed Field note material exists f... More
Quincy Mining Company, Hancock, Houghton County, MI
Significance: Quincy was Michigan's second largest copper producer, and one of national and international importance. The mine was extremely long-lived and profitable. Unprocessed Field note material exists f... More
Quincy Mining Company, Hancock, Houghton County, MI
Significance: Quincy was Michigan's second largest copper producer, and one of national and international importance. The mine was extremely long-lived and profitable. Unprocessed Field note material exists f... More
Quincy Mining Company, Hancock, Houghton County, MI
Significance: Quincy was Michigan's second largest copper producer, and one of national and international importance. The mine was extremely long-lived and profitable. Unprocessed Field note material exists f... More
Quincy Mining Company, Hancock, Houghton County, MI
Significance: Quincy was Michigan's second largest copper producer, and one of national and international importance. The mine was extremely long-lived and profitable. Unprocessed Field note material exists f... More
Quincy Mining Company, Hancock, Houghton County, MI
Significance: Quincy was Michigan's second largest copper producer, and one of national and international importance. The mine was extremely long-lived and profitable. Unprocessed Field note material exists f... More
Quincy Mining Company, Hancock, Houghton County, MI
Significance: Quincy was Michigan's second largest copper producer, and one of national and international importance. The mine was extremely long-lived and profitable. Unprocessed Field note material exists f... More
Quincy Mining Company, Hancock, Houghton County, MI
Significance: Quincy was Michigan's second largest copper producer, and one of national and international importance. The mine was extremely long-lived and profitable. Unprocessed Field note material exists f... More
Quincy Mining Company, Hancock, Houghton County, MI
Significance: Quincy was Michigan's second largest copper producer, and one of national and international importance. The mine was extremely long-lived and profitable. Unprocessed Field note material exists f... More
Quincy Mining Company, Hancock, Houghton County, MI
Significance: Quincy was Michigan's second largest copper producer, and one of national and international importance. The mine was extremely long-lived and profitable. Unprocessed Field note material exists f... More
Quincy Mining Company, Hancock, Houghton County, MI
Significance: Quincy was Michigan's second largest copper producer, and one of national and international importance. The mine was extremely long-lived and profitable. Unprocessed Field note material exists f... More
Quincy Mining Company, Hancock, Houghton County, MI
Significance: Quincy was Michigan's second largest copper producer, and one of national and international importance. The mine was extremely long-lived and profitable. Unprocessed Field note material exists f... More
Quincy Mining Company, Hancock, Houghton County, MI
Significance: Quincy was Michigan's second largest copper producer, and one of national and international importance. The mine was extremely long-lived and profitable. Unprocessed Field note material exists f... More
Quincy Mining Company, Hancock, Houghton County, MI
Significance: Quincy was Michigan's second largest copper producer, and one of national and international importance. The mine was extremely long-lived and profitable. Unprocessed Field note material exists f... More
Quincy Mining Company, Hancock, Houghton County, MI
Significance: Quincy was Michigan's second largest copper producer, and one of national and international importance. The mine was extremely long-lived and profitable. Unprocessed Field note material exists f... More
Quincy Mining Company, Hancock, Houghton County, MI
Significance: Quincy was Michigan's second largest copper producer, and one of national and international importance. The mine was extremely long-lived and profitable. Unprocessed Field note material exists f... More
Belair, Tulip Grove Drive, Belair-at-Bowie, Bowie, Prince George's Cou...
Significance: Initially completed ca. 1746, Belair is an outstanding example of Georgian architecture. It was also home to two Maryland governors and symbolizes more than 250 years of thoroughbred horse racing.... More
Belair, Tulip Grove Drive, Belair-at-Bowie, Bowie, Prince George's Cou...
Significance: Initially completed ca. 1746, Belair is an outstanding example of Georgian architecture. It was also home to two Maryland governors and symbolizes more than 250 years of thoroughbred horse racing.... More
Belair, Tulip Grove Drive, Belair-at-Bowie, Bowie, Prince George's Cou...
Significance: Initially completed ca. 1746, Belair is an outstanding example of Georgian architecture. It was also home to two Maryland governors and symbolizes more than 250 years of thoroughbred horse racing.... More
Belair, Tulip Grove Drive, Belair-at-Bowie, Bowie, Prince George's Cou...
Significance: Initially completed ca. 1746, Belair is an outstanding example of Georgian architecture. It was also home to two Maryland governors and symbolizes more than 250 years of thoroughbred horse racing.... More
Belair, Tulip Grove Drive, Belair-at-Bowie, Bowie, Prince George's Cou...
Significance: Initially completed ca. 1746, Belair is an outstanding example of Georgian architecture. It was also home to two Maryland governors and symbolizes more than 250 years of thoroughbred horse racing.... More
Belair, Tulip Grove Drive, Belair-at-Bowie, Bowie, Prince George's Cou...
Significance: Initially completed ca. 1746, Belair is an outstanding example of Georgian architecture. It was also home to two Maryland governors and symbolizes more than 250 years of thoroughbred horse racing.... More
Belair, Tulip Grove Drive, Belair-at-Bowie, Bowie, Prince George's Cou...
Significance: Initially completed ca. 1746, Belair is an outstanding example of Georgian architecture. It was also home to two Maryland governors and symbolizes more than 250 years of thoroughbred horse racing.... More
Eli Whitney Armory, West of Whitney Avenue, Armory Street Vicinity, Ha...
Significance: Location of the musket factory of Eli Whitney, an important contributor to the development of the American System of Manufacturing. It was here that Whitney attempted a system of production that ... More
Eli Whitney Armory, West of Whitney Avenue, Armory Street Vicinity, Ha...
Significance: Location of the musket factory of Eli Whitney, an important contributor to the development of the American System of Manufacturing. It was here that Whitney attempted a system of production that ... More
Eli Whitney Armory, West of Whitney Avenue, Armory Street Vicinity, Ha...
Significance: Location of the musket factory of Eli Whitney, an important contributor to the development of the American System of Manufacturing. It was here that Whitney attempted a system of production that ... More
Eli Whitney Armory, West of Whitney Avenue, Armory Street Vicinity, Ha...
Significance: Location of the musket factory of Eli Whitney, an important contributor to the development of the American System of Manufacturing. It was here that Whitney attempted a system of production that ... More
Eli Whitney Armory, West of Whitney Avenue, Armory Street Vicinity, Ha...
Significance: Location of the musket factory of Eli Whitney, an important contributor to the development of the American System of Manufacturing. It was here that Whitney attempted a system of production that ... More
S.W. view of excavations, south Treasury extension (Rear of the presen...
Photograph shows construction of the basement in the south wing of the Treasury building. Blind stamp on mount: Reynolds's Bristolboard. Attributed to Walker based on date, subject matter, and size of print. P... More
Channeling machine and steam shovel, Livingstone Channel
Detroit Publishing Co. no. 071470. Gift; State Historical Society of Colorado; 1949.
Wachusett Dam - boulders in the excavation, Feb. 12, 1901
Construction of the Clinton-Wachusett sewage and water supply system, Massachusetts.
Henderson's Point prior to excavation -- Portsmouth, N.H.
Written on image: AM Eng. Co., Boston. Postcard sent by newspaper correspondent Edmund Noble to his daughter, Beatrice. Text reads: Hotel Wentworth. Aug. 10. Dear Beatrice. I get up about 6:30 a.m. and go to b... More