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

Skip to search Skip to main Skip to footer

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

Talus slope

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

Talus slope

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

Talus slope, Pottsville conglomerate

Date
Subject	Stratigraphy Sedimentation
Creator	Moseley, John Reed

Terrace deposits

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

Terrace formation

Subject	Stratigraphy
Creator	Hughes, H. Herbert (Harry Herbert), 1905-
Date	1927-10-01

Thin bedded limestone grading into shale at right

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

Thin-bedded Montebello (?)

Subject	Stratigraphy
Creator	Moseley, John Reed

Thrust fault Warrior (mid Cambrian) on Carlim (lower Mohawk)

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

Ticklish Rock

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

Till

Subject	Stratigraphy
Creator	Geyer, Alan R.

Tionesta Spillway and Peters Run

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

Top of Catskill (lower half) base of Cuyahoga shale (upper, 700 feet thick)

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

Top of Corry sandstone and overlying beds

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

Top of cryptozoons

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

Top of large float boulder


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

Top of Morgantown sandstone

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

Top of river-borne boulder


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

Top of small cryptozoons

Subject	Stratigraphy
Creator	Ashley, Geo. H. (George Hall), 1866-1951
Date	1924-07-29

Top view of Cryptozoon heads

Subject	Stratigraphy
Creator	Geyer, Alan R.
Date	1956

To show irregular character of Saltsburg sandstone (note lensing)

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

Trap rock quarry, General Crushed Stone Company

Subject	Stratigraphy
Creator	Stone, Ralph W. (Ralph Walter), 1876-1964
Date	1924-11-14

Trap rock quarry of General Crushed Stone Company

Subject	Stratigraphy
Creator	Stone, Ralph W. (Ralph Walter), 1876-1964
Date	1924-11-14

Trenton limestone at Union Furnace

Subject	Stratigraphy
Creator	Stone, Ralph W. (Ralph Walter), 1876-1964
Date	1924-10-17

Triassic breccia

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

Triassic conglomerate

Subject	Stratigraphy
Creator	Stone, Ralph W. (Ralph Walter), 1876-1964
Date	1925-04-14

Triassic conglomerate near base of Triassic

Subject	Stratigraphy
Creator	Ashley, Geo. H. (George Hall), 1866-1951
Date	1921-09-08

Triassic fanglomerate

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

Triassic fanglomerate, all limestone clasts

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

Triassic, irregular bedding

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

Triassic, irregular bedding

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

Triassic limestone agglomerate

Subject	Stratigraphy
Creator	Stone, Ralph W. (Ralph Walter), 1876-1964
Date	1929-05-16

Triassic limestone fanglomerate

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

Triassic near contact

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

Triassic quartz pebble conglomerate

Subject	Stratigraphy
Creator	Bolles, William H.
Date	1971-05-27

Triassic sandstone along Route 322

Subject	Stratigraphy
Creator	Geyer, Alan R.
Date	1960

Triassic sandstone and conglomerate

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

Triassic sandstone barn

Subject	Stratigraphy
Creator	Stone, Ralph W. (Ralph Walter), 1876-1964
Date	1926-07-16

Triassic sandstone in roadside quarry

Subject	Stratigraphy
Creator	Stone, Ralph W. (Ralph Walter), 1876-1964
Date	1926-07-18

Triassic sandstone quarry

Subject	Stratigraphy
Creator	Stone, Ralph W. (Ralph Walter), 1876-1964
Date	1926-07-16

Triassic sandstone quarry

Subject	Stratigraphy
Creator	Stone, Ralph W. (Ralph Walter), 1876-1964
Date	1926-07-18

Triassic sandstone quarry

Subject	Stratigraphy
Creator	Stone, Ralph W. (Ralph Walter), 1876-1964
Date	1926-07-16

Triassic sandstone quarry

Subject	Stratigraphy
Creator	Stone, Ralph W. (Ralph Walter), 1876-1964
Date	1926-07-16

Triassic shale in road cut

Subject	Stratigraphy
Creator	Stone, Ralph W. (Ralph Walter), 1876-1964
Date	1926-07-16

"Tully"

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

"Tully" limestone

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

"Tully" limestone

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

Tully limestone exposed on river at second highway bridge east of Jersey Shore

Subject	Stratigraphy
Creator	Willard, Bradford, 1894-
Date

Tuscarora cliff (cliff obscured by trees)

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

Tuscarora Formation

Subject	Stratigraphy
Creator	Wells, Richard B.
Date	1968-08-28

Tuscarora Formation

Subject	Stratigraphy
Creator	Wells, Richard B.
Date	1969-03-11