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

Mica gneiss from Hibbard quarry, Media

Subject	Cities, Towns, and Buildings
Creator	Stone, Ralph W. (Ralph Walter), 1876-1964
Date	1924-11-20

Mica gneiss from I. C. Leiper quarry used in office building at quarry

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

Mica gneiss quarry

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

Mica gneiss quarry of V. Francesco

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

Mica schist

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

Mica schist

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

Middle Branch

Subject	Glacial Geology
Creator	Graeber, Charles Karsner, 1896-
Date	1934-08-14

Middle Creek Waterfowl Project

Subject	Engineering Geology
Creator	Geyer, Alan R.
Date	Fall 1971

"Middle Hill" pit, Cornwall

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

Middle Hill pit, from Big Hill, Cornwall

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

Middle Kittanning and strata

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

Middle member of Martinsburg

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

Mifflin Coal and Sandstone

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

Mifflin Sand Company

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

Mifflin Sand Company

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

Mifflin Sand Company pit

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

Mike Shaffner

Subject	Survey Staff

Mike Shaffner

Subject	Survey Staff

Mile 123 and 2800

Subject	Interstate Highway
Creator	Geyer, Alan R.

Mile 185 and 2600 about half mile south of exit 27 Loganton

Subject	Interstate Highway
Creator	Geyer, Alan R.

Mile 185 and 2600 about half mile south of exit 27 Loganton

Subject	Interstate Highway
Creator	Geyer, Alan R.

Mile 267 & 3800

Subject	Interstate Highway
Creator	Geyer, Alan R.

Millard Quarry

Subject	Nonmetallic Mineral Resources
Creator	Geyer, Alan R.
Date	1970

Millard quarry, Beekmantown limestone

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

Millard Quarry, Palmyra

Subject	Nonmetallic Mineral Resources
Creator	Geyer, Alan R.
Date	1970-04-08

Mill at Trap quarry

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

Mill at Trap Quarry

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

Millbach Formation

Subject	Stratigraphy
Creator	Geyer, Alan R.
Date	1956

Millbach Formation

Subject	Stratigraphy
Creator	Geyer, Alan R.
Date	1956

Mill Dam of Triassic sandstone

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

Mill of Sheldon Slate Products Company

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

Mills and quarries of Blue Mountain Stone Company

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

Millstones at Sparvetta feldspar pit

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

Milton Hershey School, new park

Subject	Cities, Towns, and Buildings
Creator	Geyer, Alan R.
Date	1970

Milton S. Hershey Founders Hall

Subject	Cities, Towns, and Buildings
Creator	Bolles, William H.
Date

Mine cave through terrace, glacial silt on top

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

Mine in Quaker Ridge coal in Olean conglomerate

Subject	Mineral Resources-Coal
Creator	Shaffner, Marchant N. (Marchant Nissley), 1897-1990
Date

Mineral specimen

Subject	Mineral Specimens
Creator	Geyer, Alan R.

Miners' town at Grindstone

Subject	Cities, Towns, and Buildings
Creator	Hickok, W. O. (William Orville), 1905-
Date

Miners Village at Cornwall

Subject	Cities, Towns, and Buildings
Creator	Bolles, William H.
Date	1971-05-11

Miners Village, looking east at Cornwall

Subject	Cities, Towns, and Buildings
Creator	Bolles, William H.
Date

Mines along improved county road

Subject	Nonmetallic Mineral Resources
Creator	Corbin, J. Ross
Date

Mines along improved county road

Subject	Nonmetallic Mineral Resources
Creator	Corbin, J. Ross
Date

Mines along improved county road

Subject	Nonmetallic Mineral Resources
Creator	Corbin, J. Ross
Date

Mines at Cannelton

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

Mining clay southeast of Bigler

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

Mining company home built of brownstone

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

Mining company house built of limestone

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

Mining company house built of limestone

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

Mining company house built of limestone

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