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

Road cut

Subject	Mineral Resources-Coal
Creator	Hickok, W. O. (William Orville), 1905-
Date	1934-07-01

Road cut

Subject	Stratigraphy
Creator	Hickok, W. O. (William Orville), 1905-
Date	1934-07-01

Road cut

Subject	Mineral Resources-Coal
Creator	Hickok, W. O. (William Orville), 1905-
Date	1934-07-01

Roadcut at Rummerfield Creek east of Towanda

Subject	Stratigraphy
Creator	Ashley, Geo. H. (George Hall), 1866-1951
Date	1932-05-13

Roadcut in Triassic (Stockton Formation)

Subject	Stratigraphy
Creator	Graeber, Charles Karsner, 1896-
Date	1935-06-02

Roadcut in Triassic (Stockton Formation) red sandstone, conglomerate and shale

Subject	Stratigraphy
Creator	Graeber, Charles Karsner, 1896-
Date	1935-06-02

Road from Leechburg to Hillsville

Subject	Interstate Highway
Creator	Ashley, Geo. H. (George Hall), 1866-1951
Date	1927-07-11

Road from Leechburg to Hillsville

Subject	Interstate Highway
Creator	Ashley, Geo. H. (George Hall), 1866-1951
Date	1927-07-11

Road leaving Hazleton toward north

Subject	Cities, Towns, and Buildings
Creator	Ashley, Geo. H. (George Hall), 1866-1951
Date	1932-05-13

Road near Meeker Well

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

Road on high level river terrace

Subject	Rivers and Streams
Creator	Ashley, Geo. H. (George Hall), 1866-1951
Date	1929-08-14

Roads and bridges

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

Road through forest

Subject	Topography
Creator	Ashley, Geo. H. (George Hall), 1866-1951
Date	1923-08-23

Road washed out by flood

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

Robbins belt conveyor from hopper in pit to screens

Subject	Nonmetallic Mineral Resources
Creator	Stone, Ralph W. (Ralph Walter), 1876-1964
Date	1924-08-18

Robert Stevenson

Subject	Survey Staff
Creator	Geyer, Alan R.
Date	1952~

Robert Stevenson, Assistant State Geologist

Subject	Survey Staff
Creator	Shepps, Vincent C. (Vincent Chester), 1928-
Date	1948-07-07

Robinson Clay Products Company upper quarry

Subject	Nonmetallic Mineral Resources
Creator	Ashley, Geo. H. (George Hall), 1866-1951
Date	1944-06-23

Robinson Clay Products quarry

Subject	Nonmetallic Mineral Resources
Creator	Ashley, Geo. H. (George Hall), 1866-1951
Date	1944-06-23

Rock choked stream

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

Rock clogged channel

Subject	Stratigraphy
Creator	Ashley, Geo. H. (George Hall), 1866-1951
Date	1921-09-22

Rock clogged channel

Subject	Stratigraphy
Creator	Ashley, Geo. H. (George Hall), 1866-1951
Date	1921-09-22

Rock clogged channel

Subject	Stratigraphy
Creator	Ashley, Geo. H. (George Hall), 1866-1951
Date	1921-09-22

Rock Creek

Subject	Rivers and Streams
Creator	Geyer, Alan R.
Date	1957

Rock Crusher demonstrated by Oliver W. "Bud" Cromwell

Subject	Survey Staff
Creator	Koppe, Edwin F.
Date	1957

Rock cut valley of Conneaut Creek

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

Rockdale Run Formation

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

Rockdale Run Formation

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

Rockdale Run Formation

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

Rockdale Run Formation

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

Rock debris being freed by melting of the ice

Subject	Glacial Geology
Creator	Socolow, Arthur A.
Date	1952

Rockfall along Interstate 80

Subject	Rockfalls
Creator	Geyer, Alan R.
Date	1970-07

Rockfall, Interstate 80

Subject	Rockfalls
Creator	Bolles, William H.
Date	1970-06

Rock falls along Interstate 80

Subject	Engineering Geology
Creator	Bolles, William H.
Date	1972

Rock falls along Interstate 80.

Subject	Engineering Geology
Creator	Bolles, William H.
Date	1972

Rock section through Ironstone Ridge on Route 944

Subject	Stratigraphy
Creator	Ashley, Geo. H. (George Hall), 1866-1951
Date	1934-08

Rock section through Ironstone Ridge on Route 944

Subject	Stratigraphy
Creator	Ashley, Geo. H. (George Hall), 1866-1951
Date	1934-08

Rock shot down in road construction

Subject	Sedimentation
Creator	Willard, Bradford, 1894-
Date	1934-04-17

Rock shot down in road construction

Subject	Sedimentation
Creator	Willard, Bradford, 1894-
Date	1934-04-17

Rocks on Brush Creek

Subject	Surface Water
Creator	Stone, Ralph W. (Ralph Walter), 1876-1964
Date	1936-05-02

Rocks on crest of Third Mountain

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

Rock structure

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

Rock structure

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

Rock structure

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

Rockville Bridge

Subject	Environmental Geology
Creator	Geyer, Alan R.
Date	1972-11-01

Rockville Bridge and Gap from river bank at Coxestown

Subject	Environmental Geology
Creator	Stose, George Willis, 1869-1960

Rockville Quarry

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

Rockville Quarry

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

Rogers Limestone Quarry

Subject	Nonmetallic Mineral Resources
Creator	Cleaves, Arthur B. (Arthur Bailey), 1905-1985
Date	1938-05-16

Rogersville, from east

Subject	Cities, Towns, and Buildings
Creator	Stone, Ralph W. (Ralph Walter), 1876-1964
Date	1926-09-15