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

Folds in limestone of St. Paul Group

Subject	Structure-Folds
Creator	Inners, Jon D.
Date	1974-06-11

Folds on Juniata River

Subject	Structure-Folds
Creator	Willard, Bradford, 1894-
Date	1931-07-01

Footwall of Myerstown limestone

Subject	Nonmetallic Mineral Resources
Creator	Geyer, Alan R.
Date	1953

Forest scene

Subject	Topography
Creator	Johnson, Meredith E., 1897-
Date	1924-10-04

Fort Necessity

Subject	Geomorphology
Creator	Willard, Bradford, 1894-
Date	1933-08-01

Fort Necessity

Subject	Geomorphology
Creator	Willard, Bradford, 1894-
Date	1933-08-01

Fossil from gap in Big Mountain

Subject	Fossils
Creator	Stone, Ralph W. (Ralph Walter), 1876-1964
Date	1939-09-07

Fossiliferous Greenbrier limestone

Subject	Stratigraphy
Creator	Shaffner, Marchant N. (Marchant Nissley), 1897-1990
Date	1934-05-27

Fossiliferous limestone paving

Subject	Economic Uses
Creator	Stone, Ralph W. (Ralph Walter), 1876-1964
Date	1933-09-29

Fossils weathered from Helderberg limestone

Subject	Fossils
Creator	Hickok, W. O. (William Orville), 1905-
Date	1932-04-24

Foster and Brendle big well

Subject	Oil and Gas
Creator	Robinson, J. French, 1890-
Date	1920

Foundation of Ole Bull's Castle

Subject	Economic Uses
Creator	Ashley, Geo. H. (George Hall), 1866-1951
Date	1932-05-14

Founders Building

Subject	Cities, Towns, and Buildings
Creator	Stone, Ralph W. (Ralph Walter), 1876-1964
Date	1929-05-02

Four foot, six inch rattler

Subject	Miscellaneous
Creator	Cathcart, S. H. (Stanley Holman), 1889-
Date	1932-07

Four Mile Run Valley

Subject	Topography
Creator	Ashley, Geo. H. (George Hall), 1866-1951
Date	1937-08-14

Four miles below Ralston

Subject	Topography
Creator	Ashley, Geo. H. (George Hall), 1866-1951
Date	1939-06

Fractured Chickies Rock

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

Fractured rock

Subject	Structure
Creator	Ashley, Geo. H. (George Hall), 1866-1951
Date	1933-01-13

Fractured rock

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

Fractured surface in Chickies Rock

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

Fracture traces as seen from one thousand feet above ground

Subject	Topography

Fracture traces as seen from one thousand feet above ground

Subject	Topography

Fracturing in rocks in Delaware Water Gap

Subject	Structure-Joints
Creator	Ashley, Geo. H. (George Hall), 1866-1951
Date	1931-07-01

Fracturing in Triassic diabase

Subject	Igneous and Metamorphic
Creator	Willard, Bradford, 1894-
Date	1932-08-19

Frank Holdren bluestone quarry

Subject	Nonmetallic Mineral Resources
Creator	Stone, Ralph W. (Ralph Walter), 1876-1964
Date	1929-06-07

Frank Lloyd Wright's "Fallingwater"

Subject	Cities, Towns, and Buildings
Creator	Bolles, William H.
Date	1969-10-04

Frank Romesburg Mine, Greenbrier limestone

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

Frankstown Branch of Juniata River

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

Freeport

Subject	Cities, Towns, and Buildings
Creator	Hughes, H. Herbert (Harry Herbert), 1905-
Date	1927-07-01

Freeport Brick Company plant

Subject	Economic Uses
Creator	Ashley, Geo. H. (George Hall), 1866-1951
Date	1927-07-12

Freeport coal along highway above Ford City

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

Freeport limestone along highway above Ford City

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

"French Azilum" state historical property

Subject	Environmental Geology
Creator	Bolles, William H.
Date	Winter 1972

"French Azilum" state historical property

Subject	Environmental Geology
Creator	Bolles, William H.
Date	Winter 1972

"French Azilum" state historical property

Subject	Environmental Geology
Creator	Bolles, William H.
Date	Winter 1972

"French Azilum" state historical property

Subject	Environmental Geology
Creator	Bolles, William H.
Date	Winter 1972

"French Azilum" state historical property

Subject	Environmental Geology
Creator	Bolles, William H.
Date	Winter 1972

"French Azilum" state historical property

Subject	Environmental Geology
Creator	Bolles, William H.
Date	Winter 1972

Friable limestone

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

Friedensville zinc mine (abandoned)

Subject	Metallic Mineral Resources
Creator	Ashley, Geo. H. (George Hall), 1866-1951

Friends Meeting Home, built of limestone

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

From east of Country Club clubhouse toward North Mountain

Subject	Topography
Creator	Ashley, Geo. H. (George Hall), 1866-1951
Date	1929-07-29

From edge of Illinoian moraine, looking east

Subject	Topography
Creator	Ashley, Geo. H. (George Hall), 1866-1951
Date	1926-10-19

From edge of Illinoian moraine, looking east

Subject	Topography
Creator	Ashley, Geo. H. (George Hall), 1866-1951
Date	1926-10-19

From hill a few miles west of Wellsboro

Subject	Geomorphology
Creator	Ashley, Geo. H. (George Hall), 1866-1951
Date	1932-05-15

From Mount Royal looking toward Roundtop

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

From Route 6 near Covington

Subject	Engineering Geology
Creator	Ashley, Geo. H. (George Hall), 1866-1951
Date	1932-05-15

From top of hill at south end of Port Trevorton looking east

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

Front Mountain Medina? in background

Subject	Topography
Creator	Ashley, Geo. H. (George Hall), 1866-1951
Date	1925-07-16

Front Street above Manor

Subject	Cities, Towns, and Buildings
Creator	Ashley, Geo. H. (George Hall), 1866-1951
Date	1931-10