Pennsylvania Geological Survey - Historical Photographs - Browse all items - Pennsylvania Photos and Documents

Skip to search Skip to main Skip to footer

Pennsylvania Geological Survey - Historical Photographs - Browse all items - Pennsylvania Photos and Documents

Annville Stone Company Quarry

Subject	Nonmetallic Mineral Resources
Creator	Geyer, Alan R.
Date	1960

An old time pump

Subject	Cities, Towns, and Buildings
Creator	Ashley, Geo. H. (George Hall), 1866-1951

Anorthosite boulders

Subject	Stratigraphy
Creator	Geyer, Alan R.
Date	1969

Anthracite breaker

Subject	Mineral Resources-Coal
Creator	Ashley, Geo. H. (George Hall), 1866-1951
Date	1915

Anthracite coal waste

Subject	Mineral Resources-Coal
Creator	Ashley, Geo. H. (George Hall), 1866-1951
Date	1925-10-14

Anthracite culm along Lackawanna Trail

Subject	Nonmetallic Mineral Resources
Creator	Stone, Ralph W. (Ralph Walter), 1876-1964
Date	1922-08-02

Anthracite culm heap near Olyphant

Subject	Mineral Resources-Coal
Creator	Ashley, Geo. H. (George Hall), 1866-1951
Date	1931-07-01

Anthracite outcrop along Interstate 81

Subject	Mineral Resources-Coal
Creator	Bolles, William H.
Date	1971-06-03

Anthracite outcrop cut by several faults

Subject	Mineral Resources-Coal
Creator	Bolles, William H.
Date	1971-06-03

Anthracite outcrops along Interstate 81

Subject	Mineral Resources-Coal
Creator	Bolles, William H.
Date	1971-06-03

Anthracite outcrop weathering rapidly

Subject	Mineral Resources-Coal
Creator	Bolles, William H.
Date	1971-06-03

Anthracite stripping

Subject	Mineral Resources-Coal
Creator	Ashley, Geo. H. (George Hall), 1866-1951

Anthracite stripping, 250 feet deep

Subject	Mineral Resources-Coal
Creator	Stone, Ralph W. (Ralph Walter), 1876-1964
Date	1936-05-24

Anthracite stripping operation

Subject	Field Conferences and Other Meetings
Creator	Ashley, Geo. H. (George Hall), 1866-1951

Anthracite Strip Pit, south of Tower City

Subject	Mineral Resources-Coal
Creator	Geyer, Alan R.
Date	1969

Anticlinal

Subject	Structure-Folds
Creator	Ashley, Geo. H. (George Hall), 1866-1951
Date	1921-07-01

Anticlinal nose in Setters Formation plunging under Cockeysville Marble.

Subject	Structure-Folds
Creator	Ashley, Geo. H. (George Hall), 1866-1951
Date

Anticline

Subject	Structure-Folds
Creator	Ashley, Geo. H. (George Hall), 1866-1951
Date	1921-08-16

Anticline bringing up Onondaga limestone

Subject	Structure-Folds
Creator	Willard, Bradford, 1894-
Date	1933-09-01

Anticline, in bright sun

Subject	Structure-Folds
Creator	Ashley, Geo. H. (George Hall), 1866-1951
Date	1929-08-02

Anticline in coal measures

Subject	Mineral Resources-Coal
Creator	Ashley, Geo. H. (George Hall), 1866-1951

Anticline in Lerch Quarry

Subject	Structure-Folds
Creator	Ashley, Geo. H. (George Hall), 1866-1951
Date	1924-07-30

Anticline in limestone quarry

Subject	Structure-Folds
Creator	Ashley, Geo. H. (George Hall), 1866-1951

Anticline, in shadow cavity

Subject	Structure-Folds
Creator	Ashley, Geo. H. (George Hall), 1866-1951
Date	1929-08-02

Anticline in slate quarry

Subject	Structure-Folds
Creator	Ashley, Geo. H. (George Hall), 1866-1951
Date	1925-10-15

Antiformal fold defined by graywacke bed, Martinsburg Formation

Subject	Structure
Creator	Root, Samuel I.
Date	1972-09-21

Apex of fold in Chickies quartzite

Subject	Structure
Creator	Johnson, Meredith E., 1897-
Date	1923-04-10

Apex of sharp fold in Chickies quartzite

Subject	Structure
Creator	Johnson, Meredith E., 1897-
Date	1923-04-10

Appalachian Valley and McConnellsburg

Subject	Topography
Creator	Stone, Ralph W. (Ralph Walter), 1876-1964
Date	1922-08-22

Appalachian Valley from Lincoln Highway

Subject	Topography
Creator	Stone, Ralph W. (Ralph Walter), 1876-1964
Date	1922-08-22

Apparent unconformity in Burgoon sandstone


Subject	Stratigraphy Sedimentation
Creator	Ashley, Geo. H. (George Hall), 1866-1951

Apparent unconformity in Burgoon sandstone

Subject	Stratigraphy
Creator	Ashley, Geo. H. (George Hall), 1866-1951
Date	1923-08-21

Approaching Horseshoe Curve from south

Subject	Topography
Creator	Ashley, Geo. H. (George Hall), 1866-1951
Date	1923-08-21

Approaching Lock No. 2 on Monongahela River above Pittsburgh

Subject	Rivers and Streams
Creator	Ashley, Geo. H. (George Hall), 1866-1951
Date

Approaching ridge of Medina

Subject	Topography
Creator	Ashley, Geo. H. (George Hall), 1866-1951
Date	1921-07-01

Aqueducts and tunnel

Subject	Cities, Towns, and Buildings
Creator	Bolles, William H.
Date	1971-05-11

Archbald coking apparatus

Subject	Mineral Resources-Coal
Creator	Stone, Ralph W. (Ralph Walter), 1876-1964
Date	1929-04-23

Archbald coking apparatus

Subject	Mineral Resources-Coal
Creator	Stone, Ralph W. (Ralph Walter), 1876-1964
Date	1929-04-23

Archbald Pothole

Subject	State Parks
Creator	Shepps, Vincent C. (Vincent Chester), 1928-

Archbald Pothole

Subject	State Parks
Creator	Way, John H.
Date	1973-03

Archbald Pothole

Subject	State Parks
Creator	Shepps, Vincent C. (Vincent Chester), 1928-

Archbald Pothole

Subject	State Parks
Creator	Shepps, Vincent C. (Vincent Chester), 1928-

Archbald Pothole

Subject	State Parks
Creator	Shepps, Vincent C. (Vincent Chester), 1928-

Archbald Pothole

Subject	State Parks
Creator	Way, John H.
Date	1973-03

Archbald Pothole no. 1

Subject	State Parks

Arch Spring

Subject	Sinkholes
Creator	Stone, Ralph W. (Ralph Walter), 1876-1964
Date	1924-04-01

Arch Spring from upper end of tunnel in sinkhole

Subject	Sinkholes
Creator	Stone, Ralph W. (Ralph Walter), 1876-1964
Date	1924-08-23

Area showing erosion of outlet waters

Subject	Glacial Geology
Creator	Ashley, Geo. H. (George Hall), 1866-1951
Date	1921-08-07

Artesian well

Subject	Water Supply
Creator	Ashley, Geo. H. (George Hall), 1866-1951

Arthrophycus

Subject	Fossils
Creator	Willard, Bradford, 1894-
Date	1933-08-31