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

Probably Lower Connoquenessing sandstone ledges

Subject	Stratigraphy
Creator	Graeber, Charles Karsner, 1896-
Date	1934-08-14

Profile in Upper Devonian rocks

Subject	Stratigraphy
Creator	Willard, Bradford, 1894-
Date	1930-09-01

Pulpit Rocks

Subject	Stratigraphy
Creator	Cleaves, Arthur B. (Arthur Bailey), 1905-1985
Date	1936-08

Quarry in Conestoga limestone (Stones River age)

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

Quarry in Helderberg limestone (Keyser and New Scotland?)

Subject	Stratigraphy
Creator	Ashley, Geo. H. (George Hall), 1866-1951
Date	1933-05-28

Quarry in Helderberg limestone (Keyser and New Scotland?)

Subject	Stratigraphy
Creator	Ashley, Geo. H. (George Hall), 1866-1951
Date	1933-05-28

Quarry in Little Mountain near Marysville

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

Quarry in Lowville limestone

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

Quarry in massive sandstone

Subject	Stratigraphy
Creator	Johnson, Meredith E., 1897-
Date	1921

Quarry in Morgantown sandstone

Subject	Stratigraphy
Creator	Johnson, Meredith E., 1897-
Date	1921-09-30

Quarry in Onondaga limestone

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

Quarry in Onondaga limestone

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

Quarry in red shale

Subject	Stratigraphy
Creator	Ashley, Geo. H. (George Hall), 1866-1951
Date	1926-08-27

Quarry in red shale

Subject	Stratigraphy
Creator	Ashley, Geo. H. (George Hall), 1866-1951
Date	1926-08-27

Quarry in Waynesburg sandstone and coal

Subject	Stratigraphy
Creator	Stone, Ralph W. (Ralph Walter), 1876-1964
Date	1925-11-04

Quarry, Martinsburg limestone

Subject	Stratigraphy
Creator	Willard, Bradford, 1894-
Date	1934-08-28

Quartz veins in Weverton (?) sandstone

Subject	Stratigraphy
Creator	Stone, Ralph W. (Ralph Walter), 1876-1964
Date	1934-08-21

Railroad cut in Bellefonte (?) dolomite

Subject	Stratigraphy
Creator	Ashley, Geo. H. (George Hall), 1866-1951
Date	1923-08-22

Railroad cut in Peters Creek Formation

Subject	Stratigraphy
Creator	Ashley, Geo. H. (George Hall), 1866-1951
Date	1922-06-04

Railroad cut in Rodman, Carlim and Lowville limestones

Subject	Stratigraphy
Creator	Ashley, Geo. H. (George Hall), 1866-1951
Date	1925-07-15

Railroad cut near Humphries clay quarry

Subject	Stratigraphy
Creator	Ashley, Geo. H. (George Hall), 1866-1951
Date	1930-08-05

Raindrop impressions

Subject	Stratigraphy
Creator	Ashley, Geo. H. (George Hall), 1866-1951
Date	1930-07-31

Red shale

Subject	Stratigraphy
Creator	Moseley, John Reed

Red shale

Subject	Stratigraphy
Creator	Ashley, Geo. H. (George Hall), 1866-1951
Date	1941-08

Red shale in Martinsburg

Subject	Stratigraphy

Reedsville Formation

Subject	Stratigraphy
Creator	Wells, Richard B.
Date	1968-03-07

Representing one winter's erosion of spillway cutting in Martinsburg shale

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

Representing one winter's erosion of spillway cutting in Martinsburg shale

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

Reticulated siliceous residuum from dissolved impure limestone

Subject	Stratigraphy
Creator	Bissell, Malcolm H.; Stose, George Willis, 1869-1960
Date

"Ribble marks"

Subject	Stratigraphy
Creator	Geyer, Alan R.
Date	1956

Richland Formation

Subject	Stratigraphy
Creator	Geyer, Alan R.
Date	1958

Richland Formation

Subject	Stratigraphy
Creator	Geyer, Alan R.
Date	1958

Richland Formation

Subject	Stratigraphy
Creator	Gray, Carlyle
Date	1952

Richland Formation (type section)

Subject	Stratigraphy
Creator	Geyer, Alan R.
Date	1960

Riddlesburg shale

Subject	Stratigraphy
Creator	Willard, Bradford, 1894-
Date	1934-07-01

Ridgeley sandstone

Subject	Stratigraphy
Creator	Cleaves, Arthur B. (Arthur Bailey), 1905-1985
Date	1936-08

Ridgeley sandstone

Subject	Stratigraphy
Creator	Cleaves, Arthur B. (Arthur Bailey), 1905-1985
Date	1936-08

Ridgeley sandstone

Subject	Stratigraphy
Creator	Cleaves, Arthur B. (Arthur Bailey), 1905-1985
Date	1936-08

Ripple marks

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

Ripple marks in limestone, partly worn off in slickensides

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

Ripple marks on Rose Hill sandstone

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

Ripple marks, Tuscarora sandstone

Subject	Stratigraphy
Creator	Ashley, Geo. H. (George Hall), 1866-1951
Date	1930-05-16

River terrace

Subject	Stratigraphy
Creator	Ashley, Geo. H. (George Hall), 1866-1951
Date	1929-05-01

Road cut

Subject	Stratigraphy
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

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