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1.
... Final report ordered by Legislature, 1891. A summary description of the geology of Pennsylvania, in three volumes, with a new geological map of the state, a map and list of bituminous mines ..
Author
Pennsylvania. Geological survey
Published
Harrisburg : Pub. by the Board of commissioners for the Geological survey, 1892-1895.
Online
INDEX
v.1
v.1
v.2
v.3:pt.1
v.3:pt.2
Location
HathiTrust Digital Library >> Online Resource
Format
Books / Online
2.
Geological Survey of Pennsylvania. Final report ordered by Legislature, 1891. A summary description of the geology of Pennsylvania
Author
Geological Survey of Pennsylvania
Published
Harrisburg, Board of Commissioners for the Geological Survey, 1892-95.
Online
c.1 v.1
c.1 v.3 pt.2
v.2
v.3, pt.1
Location
HathiTrust Digital Library >> Online Resource
Format
Books / Online
3.
Ueber Calamiten und Steinkohlenbildung
Author
Petzholdt, Georg Paul Alexander, 1810-1889
Published
Dresden : Arnold, 1841.
Online
Online book
Location
HathiTrust Digital Library >> Online Resource
Format
Books / Online
4.
Vitrinite reflectance as a maturity parameter : applications and limitations
Published
Washington, DC : American Chemical Society, 1994.
Online
Online book
Location
Yale Internet Resource >> None
Format
Books / Online
5.
Coal science : [papers]
Published
Washington, DC : American Chemical Society, 1966.
Online
Online book
Location
Yale Internet Resource >> None
Format
Books / Online