Juniata Shops, Turntable, South of Sixth Street at Third Avemue, Altoo...
Significance: A typical electrically powered turntable used in conjunction with the adjacent Erecting Shops and Machine Shops (HAER No. PA-232-D). Survey number: HAER PA-232-K
Juniata Shops, Turntable, South of Sixth Street at Third Avemue, Altoo...
Significance: A typical electrically powered turntable used in conjunction with the adjacent Erecting Shops and Machine Shops (HAER No. PA-232-D). Survey number: HAER PA-232-K
Pennsylvania Railroad, 52nd Street Bridge, North Fifty-second Street a...
Significance: The bridge's main span, a pin-connected Parker through truss, is an exceptionally long example of its type. Its length surpasses the practical limit of 300', beyond which a subdivided Pennsylvania... More
East Altoona Freight Locomotive Terminal, Roundhouse, Northeast of Fur...
Significance: The Roundhouse was previously one of the largest classification yards in the region. Although the Roundhouse itself was demolished, the turntable remains in place. Survey number: HAER PA-228-A ... More
East Altoona Freight Locomotive Terminal, Roundhouse, Northeast of Fur...
Significance: The Roundhouse was previously one of the largest classification yards in the region. Although the Roundhouse itself was demolished, the turntable remains in place. Survey number: HAER PA-228-A ... More
Conrail Port Perry Bridge, Spanning Monongahela River, Port Perry, All...
Part of the Monongahela River Recording Project, which included HAER PA-385, Monongahela Navation Company Lock and Dam No. 7; HAER PA-299, Monongahela Lock and Dam No. 7; and HAER PA-304, Lower Monongahela Rive... More
Conrail Port Perry Bridge, Spanning Monongahela River, Port Perry, All...
Part of the Monongahela River Recording Project, which included HAER PA-385, Monongahela Navation Company Lock and Dam No. 7; HAER PA-299, Monongahela Lock and Dam No. 7; and HAER PA-304, Lower Monongahela Rive... More
Pennsylvania Railroad Company District Office Building, 200 East Balti...
Significance: Built to house administrative offices of the Baltimore headquarters of the Philadelphia-based Pennsylvania Railroad Company following the Great Fire of 1904, this structure was an early commission... More
Pennsylvania Railroad, 25th Street Elevated, Above South Twenty-fifth ...
Significance: This elevated urban freight railroad is unusual for its great length and alignment directly over a city street. Survey number: HAER PA-549 Building/structure dates: 1926-1928 Initial Construction
Monongahela Railroad, New Geneva Bridge, Spanning Monongahela River, S...
Significance: The bridge at New Geneva is significant for its long Petit through through truss, and more importantly, for its erection by end manufacturing. At the time of its construction, it was the longest a... More
Monongahela Railroad, New Geneva Bridge, Spanning Monongahela River, S...
Significance: The bridge at New Geneva is significant for its long Petit through through truss, and more importantly, for its erection by end manufacturing. At the time of its construction, it was the longest a... More
Pennsylvania Railroad Company House, 1121-23 Eighth Avenue, Altoona, B...
Written data includes copies of floor plans. Significance: Unlike the Cambria Iron Works in Johnstown, which built hundreds of company houses, the Pennsylvania Railroad Company eschewed the construction of hous... More
Pennsylvania Railroad, Trenton Cut-Off, Bridge No. 25 at Earnest, Span...
Significance: The bridge is significant for its association with the Pennsylvania Railroad's Trenton Cut-Off, an early low-grade freight line around Philadelphia. Unprocessed Field note material exists for thi... More
Pennsylvania Railroad, Trenton Cut-Off, Bridge No. 25 at Earnest, Span...
Significance: The bridge is significant for its association with the Pennsylvania Railroad's Trenton Cut-Off, an early low-grade freight line around Philadelphia. Unprocessed Field note material exists for thi... More
Pennsylvania Railroad, Trenton Cut-Off, Bridge No. 25 at Earnest, Span...
Significance: The bridge is significant for its association with the Pennsylvania Railroad's Trenton Cut-Off, an early low-grade freight line around Philadelphia. Unprocessed Field note material exists for thi... More
Pennsylvania Railroad, Trenton Cut-Off, Bridge No. 25 at Earnest, Span...
Significance: The bridge is significant for its association with the Pennsylvania Railroad's Trenton Cut-Off, an early low-grade freight line around Philadelphia. Unprocessed Field note material exists for thi... More
Cambria Iron Company, East side of Conemaugh River, Johnstown, Cambria...
Significance: The Cambria Ironworks is a part of a National Historic Landmark district recognized for its association with such renowned figures as John Fritz, Captain Bill Jones, Daniel J. Morrell, and William... More
Pennsylvania Railroad, South Branch Chicago River Bridge, Spanning Sou...
Public domain image of a historic building, free to use, no copyright restrictions - Picryl description
Pennsylvania Railroad Improvements, Wilmington Train Station, Front & ...
Survey number: HAER DE-12-D Building/structure dates: 1905-1908 Initial Construction Building/structure dates: 1976 Subsequent Work
Connecting Railway, Schuylkill River Bridge, Spanning Schuylkill River...
See also HABS PA-6213 for additional documentation. Includes photographs. See also HAER PA-71 for related documentation. Includes photographs. Significance: Completed in 1867, the Connecting Railway's Schuylkil... More
Connecting Railway, Schuylkill River Bridge, Spanning Schuylkill River...
See also HABS PA-6213 for additional documentation. Includes photographs. See also HAER PA-71 for related documentation. Includes photographs. Significance: Completed in 1867, the Connecting Railway's Schuylkil... More
Pennsylvania Railroad, Granville Bridge, Spanning Juniata River, 1.25 ...
Significance: The bridge is significant as a well-preserved example of a medium-length stone arch bridge, representing the Pennsylvania Railroad's monumental capitol investment and desire for "permanent" struct... More
Christiana Borough Bridge, Bridge Street over Pennsylvania Railroad, C...
Significance: The Christiana Borough Bridge is a rare survivor of the Whipple truss bridge structure with wrought iron Phoenix columns. Built in 1893-95 by the Pennsylvania Railroad during a period of railroad... More
Christiana Borough Bridge, Bridge Street over Pennsylvania Railroad, C...
Significance: The Christiana Borough Bridge is a rare survivor of the Whipple truss bridge structure with wrought iron Phoenix columns. Built in 1893-95 by the Pennsylvania Railroad during a period of railroad... More
Christiana Borough Bridge, Bridge Street over Pennsylvania Railroad, C...
Significance: The Christiana Borough Bridge is a rare survivor of the Whipple truss bridge structure with wrought iron Phoenix columns. Built in 1893-95 by the Pennsylvania Railroad during a period of railroad... More
Pennsylvania Railroad, Pickering Creek Trestle, Spanning Pickering Cre...
Significance: The trestle is significant as a high trestle with both horizontal and vertical curvature. Unprocessed Field note material exists for this structure: N596 Survey number: HAER PA-521 Building/str... More
Philadelphia, Wilmington & Baltimore Railroad, Bridge No. 1, Spanning ...
Significance: Grays Ferry is the site of one of Philadelphia's oldest Schuylkill River bridges. The present swing span is typical of movable bridge construction at the turn of the 20th century. Survey number: ... More
Philadelphia, Wilmington & Baltimore Railroad, Bridge No. 1, Spanning ...
Significance: Grays Ferry is the site of one of Philadelphia's oldest Schuylkill River bridges. The present swing span is typical of movable bridge construction at the turn of the 20th century. Survey number: ... More
Pennsylvania Railroad, Brandywine Valley Viaduct, Spanning Brandywine ...
Significance: It is notable for its height, length, and complex geometry, which includes both horizontal and vertical curvature. It is also significant in association with the Pennsylvania Railroad's Philadelph... More
Stone Creek Bridge II, South of Penn Street between First & Second Str...
Significance: This bridge was constructed when the tracks through Huntingdon were moved from Allegheny Street to the bed of the defunct Pennsylvania Canal, replacing an older stone bridge upstream (Stone Creek ... More
Pennsylvania Railroad, Hunter Interlocking Tower, East end of Bigelow ...
Significance: Hunter Interlocking Tower is a classic example of the architecturally unadorned and utilitarian twentieth century interlocking tower, significant as an increasingly endangered historic property ty... More
Pennsylvania Railroad, Whitford Bridge, Spanning Amtrak tracks at Whit...
Significance: The bridge's main span, a pin-connected Parker through truss, is an exceptionally long example of its type. Its length surpasses the practical limit of 300', beyond which a subdivided Pennsylvania... More
Pennsylvania Railroad, Whitford Bridge, Spanning Amtrak tracks at Whit...
Significance: The bridge's main span, a pin-connected Parker through truss, is an exceptionally long example of its type. Its length surpasses the practical limit of 300', beyond which a subdivided Pennsylvania... More
North Pennsylvania Railroad, Landis Ridge Tunnel, Beneath Landis Ridge...
Picryl description: Public domain image of an arch stone structure, bridge, or tunnel, free to use, no copyright restrictions.
Twelfth Street Car Shops, Fire Engine House No. 7, 1128 Ninth Avenue, ...
Significance: Fire Engine House No. 7 retains architectural details which suggest that it is contemporary with the final enlargement of the adjacent Stores/Laboratory, about 1905. Survey number: HAER PA-231-B ... More
Pennsylvania Railroad, French Creek Trestle, Spanning French Creek, no...
Significance: With its sixteen plate-girder spans of various ages, is an excellent example of American railroads' practice of recycling main-line structures into branches and sidings. Unprocessed Field note ma... More
Juniata Shops, Erecting Shop & Machine Shop, East of Fourth Avenue, be...
Significance: The Erecting Shop and Machine Shop was the largest part of the last major expansion of the Altoona Works. Survey number: HAER PA-232-D Building/structure dates: 1925 Initial Construction Buildi... More
Juniata Shops, Erecting Shop & Machine Shop, East of Fourth Avenue, be...
Significance: The Erecting Shop and Machine Shop was the largest part of the last major expansion of the Altoona Works. Survey number: HAER PA-232-D Building/structure dates: 1925 Initial Construction Buildi... More
Juniata Shops, Machine Shop No. 1, East of Fourth Avenue at Third Stre...
Significance: The Machine Shop No. 1 was one of the four original shop buildings constructed at Juniata. Survey number: HAER PA-232-F Building/structure dates: 1890 Initial Construction Building/structure da... More
Frankford Arsenal, Building No. 40, South of Tacony Street between Bri...
Significance: Established in 1816, the Frankford Arsenal served for three decades as a depot for the storage and repair of arms, accoutrements, and ammunition for the United States Army. From 1849 to 1976, the... More
Glen Gardner Bridge, Spanning Spruce Run, Glen Gardner, Hunterdon Coun...
Significance: The Old Mill Bridge is one of three composite cast- and wrought-iron Pratt truss bridges in New Jersey, and one of the few still existing in the United States. First used in the mid-nineteenth ce... More
Glen Gardner Bridge, Spanning Spruce Run, Glen Gardner, Hunterdon Coun...
Significance: The Old Mill Bridge is one of three composite cast- and wrought-iron Pratt truss bridges in New Jersey, and one of the few still existing in the United States. First used in the mid-nineteenth ce... More
Pennsylvania Railroad Improvements, Repair Shop, Vandever & Bowers Str...
Survey number: HAER DE-12-A Building/structure dates: 1902-1906 Initial Construction Building/structure dates: 1931 Subsequent Work
Cumberland & Pennsylvania Railroad, Wills Creek Bridge, Spanning Wills...
Significance: The Wills Creek Bridge is located in the Cumberland and Pennsylvania subdivision of the Western Maryland Railway Company. It is a brick arch viaduct of four spans, each 45 feet in length. The ab... More
Frankford Arsenal, Building No. 35, South of Tacony Street between Bri...
Significance: Established in 1816, the Frankford Arsenal served for three decades as a depot for the storage and repair of arms, accoutrements, and ammunition for the United States Army. From 1849 to 1976, the... More
Juniata Shops, Blacksmith Shop No. 2, East of Fourth Avenue, between F...
Significance: Presently used by Conrail for storage, Blacksmith Shop No. 2 retains much of its early to mid-nineteenth century equipment, including several gas-fired furnaces. Survey number: HAER PA-232-B Bui... More
Magee Mine, Northern border of Sewickley Creek & Pennsylvania Railroad...
Significance: Impressive ashlar sandstone structures that formed the colliery at Magee Mine are unlike the red brick or wood mine buildings generally found throughout the region. Double mine portal has massive... More
Magee Mine, Northern border of Sewickley Creek & Pennsylvania Railroad...
Significance: Impressive ashlar sandstone structures that formed the colliery at Magee Mine are unlike the red brick or wood mine buildings generally found throughout the region. Double mine portal has massive... More
Pennsylvania Railroad, Harrisburg Station & Trainshed, Market & South ...
Significance: When this train station was constructed, Harrisburg was a major railroad center, located at the foot of the Allegheny Mountains. The train sheds are particularly significant. When constructed, t... More
Pennsylvania Railroad, Harrisburg Station & Trainshed, Market & South ...
Significance: When this train station was constructed, Harrisburg was a major railroad center, located at the foot of the Allegheny Mountains. The train sheds are particularly significant. When constructed, t... More
Pennsylvania Railroad, Harrisburg Station & Trainshed, Market & South ...
Significance: When this train station was constructed, Harrisburg was a major railroad center, located at the foot of the Allegheny Mountains. The train sheds are particularly significant. When constructed, t... More
Pennsylvania Railroad, Harrisburg Station & Trainshed, Market & South ...
Significance: When this train station was constructed, Harrisburg was a major railroad center, located at the foot of the Allegheny Mountains. The train sheds are particularly significant. When constructed, t... More
Pennsylvania Railroad, Harrisburg Station & Trainshed, Market & South ...
Significance: When this train station was constructed, Harrisburg was a major railroad center, located at the foot of the Allegheny Mountains. The train sheds are particularly significant. When constructed, t... More
Pennsylvania Railroad, Harrisburg Station & Trainshed, Market & South ...
Significance: When this train station was constructed, Harrisburg was a major railroad center, located at the foot of the Allegheny Mountains. The train sheds are particularly significant. When constructed, t... More
Pennsylvania Railroad, Harrisburg Station & Trainshed, Market & South ...
Significance: When this train station was constructed, Harrisburg was a major railroad center, located at the foot of the Allegheny Mountains. The train sheds are particularly significant. When constructed, t... More
Western Maryland Railway, Cumberland Extension, Pearre to North Branch...
Significance: The westward expansion of the Western Maryland Railway, beginning with the Cumberland Extension, was one of the last new mainlines constructed during the U.S. railroads' period of extensive growth... More
Western Maryland Railway, Cumberland Extension, Pearre to North Branch...
Significance: The westward expansion of the Western Maryland Railway, beginning with the Cumberland Extension, was one of the last new mainlines constructed during the U.S. railroads' period of extensive growth... More
Western Maryland Railway, Cumberland Extension, Pearre to North Branch...
Significance: The westward expansion of the Western Maryland Railway, beginning with the Cumberland Extension, was one of the last new mainlines constructed during the U.S. railroads' period of extensive growth... More
Western Maryland Railway, Cumberland Extension, Pearre to North Branch...
Significance: The westward expansion of the Western Maryland Railway, beginning with the Cumberland Extension, was one of the last new mainlines constructed during the U.S. railroads' period of extensive growth... More
Western Maryland Railway, Cumberland Extension, Pearre to North Branch...
Significance: The westward expansion of the Western Maryland Railway, beginning with the Cumberland Extension, was one of the last new mainlines constructed during the U.S. railroads' period of extensive growth... More
Western Maryland Railway, Cumberland Extension, Pearre to North Branch...
Significance: The westward expansion of the Western Maryland Railway, beginning with the Cumberland Extension, was one of the last new mainlines constructed during the U.S. railroads' period of extensive growth... More
Western Maryland Railway, Cumberland Extension, Pearre to North Branch...
Significance: The westward expansion of the Western Maryland Railway, beginning with the Cumberland Extension, was one of the last new mainlines constructed during the U.S. railroads' period of extensive growth... More
Pennsylvania Railroad, Safe Harbor Bridge, Spanning mouth of Conestoga...
Significance: The bridge is unusual two-level structure built to carry two different Pennsylvania Railroad branches. The low-grade freight line on the upper level was chief engineer William H. Brown's last majo... More
Pennsylvania Railroad, West Brownsville Junction Bridge, Spanning Mono...
Significance: This bridge's 401'-long Petit through truss is typical of long spans required on Monongahela River navigation. Its approaches feature an early installation of a reinforced concrete slab floor. Un... More
Bald Eagle Cross-Cut Canal Lock, North of Water Street along West Bran...
Significance: Lock No. 35 is a historically significant remnant of the Pennsylvania state-built canal system. The lock is the sole surviving structure of the Bald Eagle Cross-Cut Canal, a lateral line construc... More
Bald Eagle Cross-Cut Canal Lock, North of Water Street along West Bran...
Significance: Lock No. 35 is a historically significant remnant of the Pennsylvania state-built canal system. The lock is the sole surviving structure of the Bald Eagle Cross-Cut Canal, a lateral line construc... More
Bald Eagle Cross-Cut Canal Lock, North of Water Street along West Bran...
Significance: Lock No. 35 is a historically significant remnant of the Pennsylvania state-built canal system. The lock is the sole surviving structure of the Bald Eagle Cross-Cut Canal, a lateral line construc... More
Bell Avenue Bridge, Spanning Bell Avenue at Conrail Railroad, Pittsbur...
Significance: Constructed in 1880 to replace an earlier wooden structure, the bridge provided an overpass for Bell Avenue in the Borough of Carnegie, Pennsylvania. The twin sandstone arches represent a bridge t... More
Bell Avenue Bridge, Spanning Bell Avenue at Conrail Railroad, Pittsbur...
Significance: Constructed in 1880 to replace an earlier wooden structure, the bridge provided an overpass for Bell Avenue in the Borough of Carnegie, Pennsylvania. The twin sandstone arches represent a bridge t... More
Juniata Shops, Power Plant & Boiler House, East of Fourth Avenue at Se...
Significance: The Power Plant and Boiler House was one of the four original buildings constructed at Juniata in 1888-90. Survey number: HAER PA-232-I Building/structure dates: 1888 Initial Construction Build... More
Juniata Shops, Power Plant & Boiler House, East of Fourth Avenue at Se...
Significance: The Power Plant and Boiler House was one of the four original buildings constructed at Juniata in 1888-90. Survey number: HAER PA-232-I Building/structure dates: 1888 Initial Construction Build... More
New Hampton Bridge, Spanning Musconetcong River, New Hampton, Hunterdo...
Significance: The New Hampton Bridge is one of three composite cast- and wrought-iron pony Pratt truss bridges in New Jersey, and one of the few still existing in the United States. First used in the mid-19th ... More
Pennsylvania & New Jersey Railroad, Delaware River Bridge, Spanning De...
Significance: Because of its location on the lower Delaware River, the bridge has a collection of extremely long and heavy spans. These include the world's heaviest center-bearing swing span, completed in 1896,... More
Monongahela Railway Company Shops, Water Street & Seventeenth Street, ...
Significance: The Monongahela Railway Company Shops reflect the support needs of a railroad significant in the coal, coke, and steel industries of Southwest Pennsylvania in the twentieth century, particularly i... More
Monongahela Railway Company Shops, Water Street & Seventeenth Street, ...
Significance: The Monongahela Railway Company Shops reflect the support needs of a railroad significant in the coal, coke, and steel industries of Southwest Pennsylvania in the twentieth century, particularly i... More
Monongahela Railway Company Shops, Water Street & Seventeenth Street, ...
Significance: The Monongahela Railway Company Shops reflect the support needs of a railroad significant in the coal, coke, and steel industries of Southwest Pennsylvania in the twentieth century, particularly i... More
Pennsylvania Railroad, West Philadelphia Elevated, Parallel to Schuylk...
See also HAER PA-71 for related documentation. Includes photographs. Significance: The West Philadelphia Elevated, part of the Pennsylvania Railroad's program to separate passenger and freight traffic, includes... More
Pennsylvania Railroad, West Philadelphia Elevated, Parallel to Schuylk...
See also HAER PA-71 for related documentation. Includes photographs. Significance: The West Philadelphia Elevated, part of the Pennsylvania Railroad's program to separate passenger and freight traffic, includes... More
Pennsylvania Railroad, West Philadelphia Elevated, Parallel to Schuylk...
See also HAER PA-71 for related documentation. Includes photographs. Significance: The West Philadelphia Elevated, part of the Pennsylvania Railroad's program to separate passenger and freight traffic, includes... More
Pennsylvania Railroad, Canton Coal Pier, Clinton Street at Keith Avenu...
Significance: The P.R.R. Canton Coal Pier is significant, uniquely designed, and highly successful means of transporting coal from rail to barge. It is virtually unchanged and still in operation. Survey numbe... More
Pennsylvania Railroad, Canton Coal Pier, Clinton Street at Keith Avenu...
Significance: The P.R.R. Canton Coal Pier is significant, uniquely designed, and highly successful means of transporting coal from rail to barge. It is virtually unchanged and still in operation. Survey numbe... More
[Pennsylvania Railroad advertising material: "Pennsylvania Air Line, b...
View down track toward tunnel under street. Sepia photo copyrighted by W.P. Mange & Co., Phila. This record contains unverified, old data from caption card. Caption card tracings: Railroads Stations Pa.; Railro... More
Philadelphia Express, Jersey Central Railway /
"The scene of the overhead crossing of the Pennsylvania and Jersey Central railroads at Elizabeth, N.J. While a Pennsylvania train is passing over the arch, the Philadelphia Express on the Central Railroad come... More
P.R.R. [Pennsylvania Railroad] terminal, Oct. '08 [New York]
Public domain photograph of New York building, free to use, no copyright restrictions image - Picryl description
Perfect Harmony Washington, D.C., Nov. 7. Perfect harmony prevailed to...
A black and white photo of two men in suits. Public domain portrait photograph, free to use, no copyright restrictions image - Picryl description
New York, New York. Draftees on their way to the induction center at t...
Public domain photograph of train station building, free to use, no copyright restrictions image - Picryl description
Cleveland, Ohio. Unloading iron ore from a lake freighter by means of ...
Picryl description: Public domain image of a construction site, industrial or commercial building, free to use, no copyright restrictions.
Chicago, Illinois. One of the Pennsylvania Railroad's giant 6100 class...
Picryl description: Public domain image of an industrial equipment, workshop, assembly line, factory, power engine, 19th-20th century, free to use, no copyright restrictions.
Cleveland, Ohio. Unloading a lake freighter by means of Hewlett [i.e.,...
Public domain photograph of industrial architecture, factory building, free to use, no copyright restrictions image - Picryl description
Aberdeen Station, Pennsylvania Railroad, Aberdeen, Maryland. Northboun...
Public domain photograph of train station, free to use, no copyright restrictions image - Picryl description
Aberdeen Station, Pennsylvania Railroad, Aberdeen, Maryland. Southboun...
Picryl description: Public domain image of a bureau, office furniture, desk, chair, free to use, no copyright restrictions.
Aberdeen Station, Pennsylvania Railroad, Aberdeen, Maryland. Northboun...
Public domain photograph of train station, free to use, no copyright restrictions image - Picryl description
Pennsylvania Railroad, Jeffersonian, Sunnyside, Long Island City. Wome...
Public domain photograph - American industrial history, 1930s-1940s, free to use, no copyright restrictions image - Picryl description
Haupt Truss Bridge, 1300 Ninth Avenue, Railroaders' Memorial Museum, A...
See also HAER PA-422 for another example of a surviving Haupt iron truss. Significance: Designed by Herman Haupt, the Haupt iron truss was a rare combination of Pratt truss and tied arch, constructed and used e... More
Pennsylvania Railroad, Allegheny River Bridge, River Street vicinity, ...
Survey number: HAER PA-22 Public domain photograph - historical image of Pennsylvania, United States, free to use, no copyright restrictions image - Picryl description
Pennsylvania Railroad, Delaware River Bridge, Spanning Delaware River,...
Significance: The crossing is a critical link in the railroad route from Philadelphia to New York, and has hosted a series of bridges dating back to 1806. The current bridge is one of the Pennsylvania Railroad'... More
Magee Mine, Powerhouse, Northern border of Sewickley Creek & Pennsylva...
Survey number: HAER PA-294-B Building/structure dates: ca. 1908 Initial Construction
New York, New York. Waiting for the trains at the Pennsylvania railroa...
Public domain photograph of train station, free to use, no copyright restrictions image - Picryl description
Magee Mine, Hoist House, Northern border of Sewickley Creek & Pennsylv...
Survey number: HAER PA-294-A Building/structure dates: ca. 1908 Initial Construction
Juniata Shops, Turntable, South of Sixth Street at Third Avemue, Altoo...
Significance: A typical electrically powered turntable used in conjunction with the adjacent Erecting Shops and Machine Shops (HAER No. PA-232-D). Survey number: HAER PA-232-K