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

Benwood limestone quarry on S. A. Hoge land

Subject	Stratigraphy
Creator	Stone, Ralph W. (Ralph Walter), 1876-1964
Date	1925-11-06

Bethlehem Mines Corp. quarry

Subject	Stratigraphy
Creator	Stone, Ralph W. (Ralph Walter), 1876-1964
Date	1924-07-03

Bilgers Rocks

Subject	Stratigraphy
Creator	Stone, Ralph W. (Ralph Walter), 1876-1964
Date	1924-10-19

Bilgers Rocks near Curwensville

Subject	Stratigraphy
Creator	Lohman, Stanley William, 1907-
Date	1934

Bilgers Rocks, Pottsville conglomerate (?)

Subject	Stratigraphy
Creator	Stone, Ralph W. (Ralph Walter), 1876-1964
Date	1924-10-19

Birmingham shale

Subject	Stratigraphy
Creator	Johnson, Meredith E., 1897-
Date	1921-09-01

Birmingham shale (top). At 25 feet below, Ames limestone.

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

Black shales (Marcellus)

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

Block of Hellam conglomerate

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

Block of interbedded limestone and slate in outcrop

Subject	Stratigraphy
Creator	Moseley, John Reed

Block of limestone and shale in shear zone

Subject	Stratigraphy
Creator	Moseley, John Reed

Blocks of Pottsville on top of Sharp Mountain

Subject	Stratigraphy
Creator	Moseley, John Reed

Blocks of sandstone talus from outcropping of quartz sandstone


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

Bluff of Monongahela River showing discordant stratification

Subject	Stratigraphy
Creator	Ashley, Geo. H. (George Hall), 1866-1951
Date	1926-10-07

Bluff of Portage (?) shale

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

Bolder lying on shale (elevation 800)

Subject	Stratigraphy
Creator	Johnson, Meredith E., 1897-
Date	1926-05-21

Boulder in shear zone

Subject	Stratigraphy
Creator	Moseley, John Reed

Boulder of Catskill conglomerate

Subject	Stratigraphy
Creator	Lewis, John F.
Date	1925-08

Boulder of pebbly sandstone in bed of Buck Hill Creek

Subject	Stratigraphy
Creator	Lewis, John F.
Date	1925-08

Boulders of gray sandstone in bed of Buck Hill Creek

Subject	Stratigraphy
Creator	Lewis, John F.
Date	1925-08

Brallier shale

Subject	Stratigraphy

Breccia, limestone and quartz -Triassic

Subject	Stratigraphy
Creator	Ashley, Geo. H. (George Hall), 1866-1951
Date	1923-10-03

Bridge across Youghiogheny River at Layton

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

Bridge over Conewago Creek near Mount Royal

Subject	Stratigraphy
Creator	Bissell, Malcolm H.; Stose, George Willis, 1869-1960
Date	1931-06-30

Brodhead Creek Experiment Mills Section (Port Ewen lithology)

Subject	Stratigraphy
Creator	Cleaves, Arthur B. (Arthur Bailey), 1905-1985
Date	1937-07-08

Brush Creek limestone

Subject	Stratigraphy
Creator	Johnson, Meredith E., 1897-
Date	1923-05-22

Brush Creek limestone exposed at quarry near Wittmer

Subject	Stratigraphy
Creator	Johnson, Meredith E., 1897-
Date	1924-08-30

Buffalo sandstone

Subject	Stratigraphy
Creator	Johnson, Meredith E., 1897-
Date	1924-08-30

Buffalo Springs Formation

Subject	Stratigraphy
Creator	Geyer, Alan R.
Date	1969

Buffalo Springs Formation

Subject	Stratigraphy
Creator	Geyer, Alan R.
Date	1968

Buffalo Springs Formation

Subject	Stratigraphy
Creator	Geyer, Alan R.
Date	1968

Buffalo Springs Formation

Subject	Stratigraphy
Creator	Geyer, Alan R.
Date	1966

Buffalo Springs Formation

Subject	Stratigraphy
Creator	Geyer, Alan R.
Date	1969

Buffalo Springs Formation

Subject	Stratigraphy
Creator	Geyer, Alan R.
Date	1969

Buffalo Springs Formation

Subject	Stratigraphy
Creator	Geyer, Alan R.
Date	1969

Buffalo Springs Formation

Subject	Stratigraphy
Creator	Geyer, Alan R.
Date	1968

Buffalo Springs Formation

Subject	Stratigraphy
Creator	Geyer, Alan R.
Date	1969

Buffalo Springs Formation

Subject	Stratigraphy
Creator	Geyer, Alan R.
Date	1958

Burket black shale and Tully limestone contact

Subject	Stratigraphy
Creator	Willard, Bradford, 1894-
Date	1934-10

Calcite vein and low dipping fault

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

Cambrian quartzite

Subject	Stratigraphy
Creator	Stone, Ralph W. (Ralph Walter), 1876-1964
Date	1929-05-07

Carlim limestone (at back) wall of Lemont at left (not mined here)

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

Carmichaels terrace above Ford City

Subject	Stratigraphy
Creator	Ashley, Geo. H. (George Hall), 1866-1951
Date	1928-09-18

Catskill Formation

Subject	Stratigraphy
Creator	Geyer, Alan R.
Date	1971-08-18

Catskill Formation, one-half mile of outcrop

Subject	Stratigraphy
Creator	Bolles, William H.
Date	1970-04

Catskill sandstone

Subject	Stratigraphy
Creator	Ashley, Geo. H. (George Hall), 1866-1951
Date	1929-07-16

Catskill sandstone and shale

Subject	Stratigraphy
Creator	Stone, Ralph W. (Ralph Walter), 1876-1964
Date	1927-10-11

Catskill (?) sandstone outcrops in Raymonds Kill

Subject	Stratigraphy
Creator	Stone, Ralph W. (Ralph Walter), 1876-1964
Date	1922-08-10

Catskill shale

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

Catskill shale and sandstone (near base)

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