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

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

Grove along Clarks Creek

Subject	Topography
Creator	Ashley, Geo. H. (George Hall), 1866-1951
Date	1925-08-01

Grove along Clarks Creek

Subject	Topography
Creator	Ashley, Geo. H. (George Hall), 1866-1951
Date	1925-08-01

Grove in Clarks Creek Valley

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

Guffey no. 1

Subject	Oil and Gas
Creator	Ashley, Geo. H. (George Hall), 1866-1951
Date	1919-12-15

Guthrie Mine on Waynesburg coal

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

Halberstadt party

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

Halberstadt party returning to cars

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

Hamilton conglomerate

Subject	Stratigraphy
Creator	Willard, Bradford, 1894-
Date	1932-09-02

Hamilton or Oriskany sandstone

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

Hamilton sandstone

Subject	Stratigraphy
Creator	Willard, Bradford, 1894-
Date	1932-09-02

Hamilton sandstone

Subject	Stratigraphy
Creator	Ashley, Geo. H. (George Hall), 1866-1951
Date	1929-08-03

Hamilton sandstone

Subject	Stratigraphy
Creator	Ashley, Geo. H. (George Hall), 1866-1951
Date	1929-08-03

Hammer Creek Formation sandstone

Subject	Stratigraphy
Creator	Geyer, Alan R.
Date	1969

Hammer Creek Formation sandstone and conglomerate

Subject	Stratigraphy
Creator	Geyer, Alan R.
Date	1968

Hanging Valley at Rummerfield Bend

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

Hanley Ceramics Company

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

Harbison-Walker fire brick plant

Subject	Economic Uses
Creator	Ashley, Geo. H. (George Hall), 1866-1951
Date

Harrington Well

Subject	Oil and Gas
Creator	Ashley, Geo. H. (George Hall), 1866-1951
Date	1931-02-24

Harrisburg

Subject	Cities, Towns, and Buildings
Creator	Stone, Ralph W. (Ralph Walter), 1876-1964
Date

Harrisburg and mountain

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

Harrisburg Natural History Society examining geology of rocks

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

Harrisburg Natural History Society examining geology of rocks

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

Harrisburg Natural History Society outing

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

Harrisburg peneplain

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

Harrisburg peneplain

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

Harrisburg peneplain

Subject	Stratigraphy
Creator	Ashley, Geo. H. (George Hall), 1866-1951
Date	1930

Harrisburg Redevelopment Project

Subject	Environmental Geology
Date	1965; 1966

Harrisburg Redevelopment Project

Subject	Environmental Geology
Date	1965; 1966

Harrisburg Redevelopment Project

Subject	Environmental Geology
Date	1965; 1966

Harrisburg Redevelopment Project

Subject	Environmental Geology
Date	1965; 1966

Harrison Park

Subject	State Parks
Creator	Ashley, Geo. H. (George Hall), 1866-1951
Date	1932-05-15

Harrison Park north from Lookout

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

Harvey Lake, looking north

Subject	Rivers and Streams
Creator	Stone, Ralph W. (Ralph Walter), 1876-1964
Date

Harvey Marker Mine

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

Hauling coal from mine

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

Hauling machinery, Snake Hollow

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

Hauto power plant

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

Hauto power plant

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

Hauto Reservoir

Subject	Topography
Creator	Ashley, Geo. H. (George Hall), 1866-1951
Date	1921-09-23

Haws Refractory Company plant

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

Hay Creek

Subject	Miscellaneous
Creator	Stone, Ralph W. (Ralph Walter), 1876-1964
Date	1925-09-21

Haystack Rocks


Subject	Stratigraphy Sedimentation
Creator	Stone, Ralph W. (Ralph Walter), 1876-1964

Haystack Rocks


Subject	Stratigraphy Sedimentation
Creator	Stone, Ralph W. (Ralph Walter), 1876-1964

Haystack Rocks


Subject	Stratigraphy Sedimentation
Creator	Stone, Ralph W. (Ralph Walter), 1876-1964

Headframe of clay mine

Subject	Nonmetallic Mineral Resources
Creator	Shaffner, Marchant N. (Marchant Nissley), 1897-1990
Date

Headframe of mine in Trenton limestone

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

Headframe of shaft

Subject	Nonmetallic Mineral Resources
Creator	Shaffner, Marchant N. (Marchant Nissley), 1897-1990
Date

Head of Fites Eddy and river above

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

Head of incline in quarry

Subject	Stratigraphy
Creator	Ashley, Geo. H. (George Hall), 1866-1951
Date	1927-07-12

Headwaters of West Hickory Creek

Subject	Topography
Creator	Johnson, Meredith E., 1897-
Date	1923-05-01