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

Pinching out of beds down the dip

Subject	Stratigraphy
Creator	Bissell, Malcolm H.; Stose, George Willis, 1869-1960
Date	1928

Pinching out of beds up the dip

Subject	Stratigraphy
Creator	Bissell, Malcolm H.; Stose, George Willis, 1869-1960
Date	1928

Pinching out of beds up the dip

Subject	Stratigraphy
Creator	Bissell, Malcolm H.; Stose, George Willis, 1869-1960
Date	1928

Pine Creek limestone and top of Buffalo sandstone

Subject	Stratigraphy
Creator	Johnson, Meredith E., 1897-
Date	1925-06-04

Pitted sandstone

Subject	Stratigraphy
Creator	Shaffner, Marchant N. (Marchant Nissley), 1897-1990
Date	1951

Pittsburgh coal in Pennsylvania Railroad cut

Subject	Stratigraphy
Creator	Johnson, Meredith E., 1897-
Date	1921-11-01

Pocono-Catskill (?) boundary

Subject	Stratigraphy
Creator	Stone, Ralph W. (Ralph Walter), 1876-1964
Date	1939-08-10

Pocono Formation

Subject	Stratigraphy

Pocono Formation exposure

Subject	Stratigraphy
Creator	Hoskins, Donald M.
Date	1974

Pocono Formation exposure

Subject	Stratigraphy
Creator	Hoskins, Donald M.
Date	1974

Pocono sandstone

Subject	Stratigraphy
Creator	Ashley, Geo. H. (George Hall), 1866-1951
Date	1931-10

Pocono sandstone

Subject	Stratigraphy
Creator	Ashley, Geo. H. (George Hall), 1866-1951
Date	1931-10

Pocono sandstone

Subject	Stratigraphy
Creator	Ashley, Geo. H. (George Hall), 1866-1951
Date	1931-10

Pocono sandstone

Subject	Stratigraphy
Creator	Ashley, Geo. H. (George Hall), 1866-1951
Date	1931-10

Pocono sandstone blocks

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

Pocono sandstone from dam at Lebanon City water supply reservoir

Subject	Stratigraphy
Creator	Moseley, John Reed
Date	1950-08

Pocono sandstone from dam at Lebanon City water supply reservoir

Subject	Stratigraphy

Pocono sandstone from dam at Lebanon City water supply reservoir

Subject	Stratigraphy
Creator	Moseley, John Reed
Date	1950-08

Pocono sandstone in Loyalsock Valley

Subject	Stratigraphy
Creator	Ashley, Geo. H. (George Hall), 1866-1951
Date	1929-07-26

Pocono sandstone of Peters Mountain

Subject	Stratigraphy
Creator	Ashley, Geo. H. (George Hall), 1866-1951
Date	1921-08-01

Pocono sandstone overlying Catskill

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

Portage flags in Twelvemile Creek

Subject	Stratigraphy
Creator	Stone, Ralph W. (Ralph Walter), 1876-1964
Date	1928-10-09

Portage group

Subject	Stratigraphy
Creator	Willard, Bradford, 1894-
Date	1934-06-25

Portage shale along main line of Pennsylvania Railroad

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

Port Ewen (left) Oriskany Basal conglomerate contact

Subject	Stratigraphy
Creator	Cleaves, Arthur B. (Arthur Bailey), 1905-1985
Date	1937-07-06

Port Ewen Type Section

Subject	Stratigraphy
Creator	Cleaves, Arthur B. (Arthur Bailey), 1905-1985
Date	1937-07-06

Pottsville conglomerate

Subject	Stratigraphy
Creator	Stone, Ralph W. (Ralph Walter), 1876-1964
Date	1929-05-25

Pottsville conglomerate

Subject	Stratigraphy
Creator	Stone, Ralph W. (Ralph Walter), 1876-1964
Date	1928-08-31

Pottsville conglomerate

Subject	Stratigraphy
Creator	Stone, Ralph W. (Ralph Walter), 1876-1964
Date	1946-07-24

Pottsville conglomerate

Subject	Stratigraphy
Creator	Stone, Ralph W. (Ralph Walter), 1876-1964
Date	1946-07-24

Pottsville conglomerate

Subject	Stratigraphy
Creator	Stone, Ralph W. (Ralph Walter), 1876-1964
Date	1935-10-15

Pottsville conglomerate

Subject	Stratigraphy
Creator	Stone, Ralph W. (Ralph Walter), 1876-1964
Date	1935-11-01

Pottsville conglomerate

Subject	Stratigraphy
Creator	Stone, Ralph W. (Ralph Walter), 1876-1964
Date	1922-10-12

Pottsville (?) conglomerate at Livengood Cave

Subject	Stratigraphy
Creator	Stone, Ralph W. (Ralph Walter), 1876-1964
Date	1936-10-24

Pottsville conglomerate - cross bedding

Subject	Stratigraphy
Creator	Stone, Ralph W. (Ralph Walter), 1876-1964
Date	1928-06-15

Pottsville conglomerate float on Vought Run

Subject	Stratigraphy
Creator	Stone, Ralph W. (Ralph Walter), 1876-1964
Date	1936-04-23

Pottsville conglomerate, rough and dressed, cemetery wall

Subject	Stratigraphy
Creator	Stone, Ralph W. (Ralph Walter), 1876-1964
Date	1928-08-31

Pottsville in railroad cut

Subject	Stratigraphy
Creator	Ashley, Geo. H. (George Hall), 1866-1951
Date	1930-08-06

Pottsville in railroad cut (at base)

Subject	Stratigraphy
Creator	Ashley, Geo. H. (George Hall), 1866-1951
Date	1930-08-06

Pottsville on Gold Mine Road over Sharp Mountain

Subject	Stratigraphy
Creator	Moseley, John Reed

Pottsville on top at Sharp Mountain

Subject	Stratigraphy
Creator	Moseley, John Reed

Pottsville sandstone

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

Pottsville sandstone

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

Pottsville sandstone

Subject	Stratigraphy
Creator	Stone, Ralph W. (Ralph Walter), 1876-1964
Date	1936-10-19

Pottsville sandstone

Subject	Stratigraphy
Creator	Stone, Ralph W. (Ralph Walter), 1876-1964
Date	1935-09-25

Pottsville sandstone, Bare Rock Quarry

Subject	Stratigraphy
Creator	Stone, Ralph W. (Ralph Walter), 1876-1964
Date	1933-08-17

Pottsville (?) sandstone on Tub Mill Run above Holliday Farm

Subject	Stratigraphy
Creator	Stone, Ralph W. (Ralph Walter), 1876-1964
Date	1936-10-24

Pottsville sandstone (probably Upper Connoquenessing)

Subject	Stratigraphy
Creator	Graeber, Charles Karsner, 1896-
Date	1932-08

Pottsville sandstone quarry

Subject	Stratigraphy
Creator	Stone, Ralph W. (Ralph Walter), 1876-1964
Date	1928-06-15

Pottsville sandstone with apparent overthrust fault


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