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

National Tube Company's plant

Subject	Cities, Towns, and Buildings
Creator	Ashley, Geo. H. (George Hall), 1866-1951
Date	1926-10-07

Native limestone, Bradford House (1788)

Subject	Cities, Towns, and Buildings
Creator	Stone, Ralph W. (Ralph Walter), 1876-1964
Date	1929-09-24

Natrona Sand and Gravel Company

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

Natrona Sand and Gravel Company

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

Natural bridge, Indian Echo Caverns

Subject	Caves
Creator	Bolles, William H.
Date	1970-11

Natural gas pump station

Subject	Cities, Towns, and Buildings
Creator	Stone, Ralph W. (Ralph Walter), 1876-1964
Date	1926-09-17

Natural gas pump station

Subject	Cities, Towns, and Buildings
Creator	Stone, Ralph W. (Ralph Walter), 1876-1964
Date	1926-09-17

Natural History Society hike

Subject	Field Conferences and Other Meetings
Creator	Ashley, Geo. H. (George Hall), 1866-1951

Natural History Society hike

Subject	Field Conferences and Other Meetings
Creator	Ashley, Geo. H. (George Hall), 1866-1951

Natural History Society outing

Subject	Field Conferences and Other Meetings

Near contact, Chemung-Catskill

Subject	Stratigraphy
Creator	Moseley, John Reed

Near end of Presque Isle

Subject	Surface Water
Creator	Ashley, Geo. H. (George Hall), 1866-1951
Date	1930-08-02

Near Gettysburg

Subject	Airborne Surveys
Creator	Geyer, Alan R.
Date	1957

Near Gettysburg

Subject	Airborne Surveys
Creator	Geyer, Alan R.
Date	1957

Near Gettysburg

Subject	Airborne Surveys
Creator	Geyer, Alan R.
Date	1957

Nearly vertical bedding in Rodman limestone

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

Nearly vertical strata

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

Needy Cave

Subject	Caves
Creator	Stone, Ralph W. (Ralph Walter), 1876-1964
Date	1930-05-07

Nemacolin Mine of Buckeye Coal Company

Subject	Nonmetallic Mineral Resources
Creator	Stone, Ralph W. (Ralph Walter), 1876-1964
Date	1925-11-04

Nescopeck, gorge of Nescopeck Creek, Nescopeck Mountain, and Susquehanna River

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

Neshannoch sandstone

Subject	Cities, Towns, and Buildings
Creator	Stone, Ralph W. (Ralph Walter), 1876-1964
Date	1929-09-24

Neshannock Creek

Subject	Surface Water
Creator	Stone, Ralph W. (Ralph Walter), 1876-1964
Date	1933-10-03

Neshannock River

Subject	Rivers and Streams
Creator	Stone, Ralph W. (Ralph Walter), 1876-1964
Date	1926-10-04

New Baltimore meteorite locality

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

New Castle Limestone Company quarry

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

New land, reserved as a tern and gull sanctuary

Subject	Geomorphology
Creator	Ashley, Geo. H. (George Hall), 1866-1951
Date	1930-08-02

Newly graded road

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

Newly opened cave

Subject	Caves
Creator	Willard, Bradford, 1894-
Date	1930

New motel resort

Subject	Cities, Towns, and Buildings
Creator	Geyer, Alan R.
Date	1971-08-12

New Pennsylvania Route 230

Subject	Interstate Highways and Other Roads
Creator	Geyer, Alan R.
Date	1969

New roadcut, Pottsville sandstone (?)

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

New road west from Brookville

Subject	Interstate Highway
Creator	Ashley, Geo. H. (George Hall), 1866-1951
Date	1930-08-09

New road west of Brookville

Subject	Interstate Highway
Creator	Ashley, Geo. H. (George Hall), 1866-1951
Date	1930-08-09

New Rt. 222 between Lancaster and Ephrata

Subject	Engineering Geology
Creator	Geyer, Alan R.
Date	197?

New slush bank at Sunnyside Colliery of Humbert Coal Company

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

New well sites for Mansfield State College

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

New York - Pennsylvania Field Conference

Subject	Field Conferences and Other Meetings
Creator	Stone, Ralph W. (Ralph Walter), 1876-1964
Date	1936-05-24

New York State

Subject	Geomorphology
Creator	Willard, Bradford, 1894-
Date	1934-08-03

Nittany Valley

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

Nittany Valley looking east toward Big Mountain

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

No. 2 mill of Atlas Cement Company

Subject	Nonmetallic Mineral Resources
Creator	Ashley, Geo. H. (George Hall), 1866-1951
Date	1921-07-01

No. 2 well of Peoples Natural Gas (P.N.G.) Company

Subject	Oil and Gas
Creator	Johnson, Meredith E., 1897-
Date	1926-05-19

No. 3 well of Peoples Natural Gas (P.N.G.) Company

Subject	Oil and Gas
Creator	Johnson, Meredith E., 1897-
Date	1922-07-29

No 4. Dam, Allegheny River at Natrona, Pa.

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

No. 4 Lock, Allegheny River at Natrona, Pa.

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

No. 4 Lock, Allegheny River at Natrona, Pa.

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

No. 4 Lock, Allegheny River at Natrona, Pa.

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

No 5. Dam, Allegheny River above Freeport

Subject	Engineering
Creator	Hughes, H. Herbert (Harry Herbert), 1905-
Date	1927-09-01

Nockamixon State Park

Subject	State Parks
Creator	Geyer, Alan R.
Date	1972

Non-symmetrical sharp anticline

Subject	Structure-Folds
Creator	Ashley, Geo. H. (George Hall), 1866-1951
Date	1921-08-16