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

Stripping and old entry on "B" coal

Subject	Mineral Resources-Coal
Creator	Ashley, Geo. H. (George Hall), 1866-1951
Date	1941-09

Stripping at Porters Swamp looking down cut toward boundary pillar

Subject	Mineral Resources-Coal
Creator	Fraser, Thomas
Date	Summer 1926

Stripping at Summit Hill

Subject	Mineral Resources-Coal
Creator	Ashley, Geo. H. (George Hall), 1866-1951
Date	1933-07-18

Stripping at Summit Hill

Subject	Mineral Resources-Coal
Creator	Ashley, Geo. H. (George Hall), 1866-1951
Date	1933-07-18

Stripping at Summit Hill

Subject	Mineral Resources-Coal
Creator	Ashley, Geo. H. (George Hall), 1866-1951
Date	1933-07-18

Stripping "D" coal

Subject	Mineral Resources-Coal
Creator	Ashley, Geo. H. (George Hall), 1866-1951
Date	1944-06-22

Stripping "D" coal top of hill

Subject	Mineral Resources-Coal
Creator	Ashley, Geo. H. (George Hall), 1866-1951
Date	1946-05-14

Stripping "D" coal top of hill

Subject	Mineral Resources-Coal
Creator	Ashley, Geo. H. (George Hall), 1866-1951
Date	1946-05-14

Stripping for coal at Summit Hill

Subject	Mineral Resources-Coal
Creator	Ashley, Geo. H. (George Hall), 1866-1951
Date	1932-04-08

Stripping in "D" coal

Subject	Mineral Resources-Coal
Creator	Ashley, Geo. H. (George Hall), 1866-1951
Date	1942-08

Stripping Lower Kittanning coal west of Corsica

Subject	Mineral Resources-Coal
Creator	Ashley, Geo. H. (George Hall), 1866-1951
Date	1933-10-24

Stripping of anthracite coal bed

Subject	Mineral Resources-Coal
Creator	Ashley, Geo. H. (George Hall), 1866-1951
Date	1930-12-12

Stripping of anthracite coal bed

Subject	Mineral Resources-Coal
Creator	Ashley, Geo. H. (George Hall), 1866-1951
Date	1930-12-12

Stripping on "A" coal

Subject	Mineral Resources-Coal
Creator	Ashley, Geo. H. (George Hall), 1866-1951
Date	1946-05-14

Stripping on "D" coal

Subject	Mineral Resources-Coal
Creator	Ashley, Geo. H. (George Hall), 1866-1951
Date	1941-09

Stripping on "E" coal

Subject	Mineral Resources-Coal
Creator	Ashley, Geo. H. (George Hall), 1866-1951
Date	1946-05-14

Stripping on E coal

Subject	Mineral Resources-Coal
Creator	Ashley, Geo. H. (George Hall), 1866-1951
Date	1940-10-19

Stripping on E coal

Subject	Mineral Resources-Coal
Creator	Ashley, Geo. H. (George Hall), 1866-1951
Date	1940-10-19

Stripping on Primrose coal

Subject	Nonmetallic Mineral Resources
Creator	Hoskins, Donald M.
Date	1974

Stripping operation

Subject	Mineral Resources-Coal
Creator	Fraser, Thomas
Date	Summer 1926

Stripping operation

Subject	Mineral Resources-Coal
Creator	Hughes, H. Herbert (Harry Herbert), 1905-
Date	1927

Stripping operation, Beaver Finance Corporation

Subject	Nonmetallic Mineral Resources
Creator	Corbin, J. Ross
Date	1925-11-03

Stripping operation of Harmon Creek Coal Corporation

Subject	Structure-Folds
Creator	Graeber, Charles Karsner, 1896-
Date	1934-05-26

Stripping operation, White Clay Coal Company

Subject	Nonmetallic Mineral Resources
Creator	Corbin, J. Ross
Date	1925-11-03

Stripping Pittsburgh coal

Subject	Nonmetallic Mineral Resources
Creator	Johnson, Meredith E., 1897-
Date	1925-05-30

Stripping shale

Subject	Nonmetallic Mineral Resources
Creator	Ashley, Geo. H. (George Hall), 1866-1951
Date	1923-09-25

Stripping shovel

Subject	Nonmetallic Mineral Resources
Creator	Corbin, J. Ross
Date	1925-11-03

Stripping shovel at work

Subject	Mineral Resources-Coal
Creator	Ashley, Geo. H. (George Hall), 1866-1951
Date	1915

Stripping south of Nesquehoning

Subject	Mineral Resources-Coal
Creator	Ashley, Geo. H. (George Hall), 1866-1951
Date	1933-07-18

Stripping, W. D. Little Mine

Subject	Mineral Resources-Coal
Creator	Ashley, Geo. H. (George Hall), 1866-1951
Date	1941-09

Strip pit mining mammoth end

Subject	Nonmetallic Mineral Resources
Creator	Ashley, Geo. H. (George Hall), 1866-1951
Date	1921-09-23

Strip pit mining mammoth end

Subject	Nonmetallic Mineral Resources
Creator	Ashley, Geo. H. (George Hall), 1866-1951
Date	1921-09-23

Stromatolite heads in growth position

Subject	Sedimentation
Creator	Inners, Jon D.
Date	1974-09-20

Stromatolite horizon in Mifflintown Formation ("McKenzie Limestone")

Subject	Sedimentation
Creator	Inners, Jon D.
Date	1974-09-20

Stromatolites of the Cryptozoon type

Subject	Stratigraphy
Creator	Geyer, Alan R.
Date	1958

Stromatolites of the Cryptozoon type

Subject	Stratigraphy
Creator	Geyer, Alan R.
Date	1961

Stromatolites of the Cryptozoon type

Subject	Stratigraphy
Creator	Geyer, Alan R.
Date	1958

Stromatolites of the Cryptozoon type

Subject	Stratigraphy
Creator	Geyer, Alan R.
Date	1958

Stromatolites of the Cryptozoon type

Subject	Stratigraphy
Creator	Geyer, Alan R.
Date	1958

Stromatolites of the gymnosolen type

Subject	Stratigraphy
Creator	Geyer, Alan R.
Date	1958

Structure

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

Structure

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

Structure-joints

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

Structure-joints

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

Structure of dike, Cornwall

Subject	Metallic Mineral Resources
Creator	Ashley, Geo. H. (George Hall), 1866-1951
Date	1922-08-17

Structure of Limestone Ridge

Subject	Structure-Folds
Creator	Ashley, Geo. H. (George Hall), 1866-1951
Date	1931-07-17

Structure of Middle Silurian rocks

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

Structure on east bank of Susquehanna River

Subject	Structure
Creator	Stone, Ralph W. (Ralph Walter), 1876-1964
Date	1928-10-04

Structure on Route 22

Subject	Structure-Folds
Creator	Stone, Ralph W. (Ralph Walter), 1876-1964
Date	1931-06-05

Structure on Route 22

Subject	Structure-Folds
Creator	Stone, Ralph W. (Ralph Walter), 1876-1964
Date	1931-06-05