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Geological Survey of Pennsylvania
作者
Geological Survey of Pennsylvania / John Peter Lesley
出版1873
ISBN
OCLC:4522223
主題
Geology
Geological Survey of Pennsylvania: A general index...
作者
Geological Survey of Pennsylvania
ISBN
LCCN:gs07000767
主題
Coal
The Publications of the Second Geological Survey o...
作者
Geological Survey of Pennsylvania
出版1884
ISBN
OCLC:1007618715
Annual Report on the Geological Survey of the Stat...
作者
Geological Survey of Pennsylvania
出版1880
ISBN
MSU:31293024999884
主題
Coal mines and mining
Annual Report of the Geological Survey of Pennsylv...
作者
Geological Survey of Pennsylvania / Pennsylvania. Geologist (1874-1890)
出版1887
ISBN
MINN:319510008832329
主題
Coal mines and mining
Geological Survey of Pennsylvania
作者
Geological Survey of Pennsylvania
出版1895
ISBN
CHI:73752237
主題
Coal
Annual Report of the Geological Survey of Pennsylv...
作者
Geological Survey of Pennsylvania / Pennsylvania. State Geologist (1874-1890)
出版1887
ISBN
CHI:098133253
主題
Coal mines and mining
Annual Report of the Geological Survey of Pennsylv...
作者
Pennsylvania. Geological Survey
出版1887
ISBN
STANFORD:36105013236075
主題
Coal mines and mining
Annual Report of the Geological Survey of Pennsylv...
作者
Geological Survey of Pennsylvania
出版1889
ISBN
SRLF:A0009512773
主題
Coal mines and mining
Fifth Annual Report of the Geological Survey of Pe...
作者
Geological Survey of Pennsylvania / Henry Darwin Rogers
出版1841
ISBN
OCLC:27283833
主題
Geology
First[-sixth] Annual Report on the Geological Surv...
作者
Geological Survey of Pennsylvania
出版1836
ISBN
LCCN:gs07000689
主題
Geology
Geological Survey of Pennsylvania: Laurentian, Hur...
作者
Geological Survey of Pennsylvania
出版1892
ISBN
CHI:73752244
主題
Coal
Annual Report of the Geological Survey of Pennsylv...
作者
Pennsylvania. Geological Survey (2d, 1874-1890)
ISBN
OCLC:36421250
主題
Coal mines and mining
One Hundredth Anniversary of the Founding of Penns...
作者
Geological Survey of Pennsylvania
出版1936
ISBN
UIUC:30112047246761
主題
Geology
First-sixth Annual Report on the Geological Survey...
作者
Pennsylvania. Geological survey (1st, 1836-1841) / Henry Darwin Rogers
出版1836
ISBN
OCLC:4114933
主題
Geology
Report of the Board of Commissioners of the Geolog...
作者
Geological Survey of Pennsylvania / Pennsylvania. Governor (1887-1891 : Beaver)
出版1889
ISBN
OCLC:70201112
主題
Geology
Annual Report of the Geological Survey of Pennsylv...
作者
Pennsylvania. Board of Commissioners for the Second Geological Survey
ISBN
LCCN:gs07000766
主題
Coal mines and mining
Sixth Annual Report on the Geological Survey of Pe...
作者
Geological Survey of Pennsylvania / Henry Darwin Rogers / Pennsylvania. General Assembly. House of Representatives / Henlock & Bratton
出版1842
ISBN
OCLC:82003886
主題
Geology
Annual Report of the Geological Survey of Pennsylv...
作者
Geological Survey of Pennsylvania
出版1886
ISBN
LCCN:gs07000766
主題
Coal mines and mining
Geological Survey of Pennsylvania. Final Report Or...
作者
Geological Survey of Pennsylvania / Pennsylvania. State Geologist (1874-1890)
出版1892
ISBN
LCCN:gs07000767
主題
Coal
Annual Report on the Geological Survey of Pennsylv...
作者
Geological Survey of Pennsylvania
出版1840
ISBN
UOM:39015068337578
主題
Geology
Annual Report of the Geological Survey of Pennsylv...
作者
Geological Survey of Pennsylvania
出版1886
ISBN
LCCN:gs07000766
主題
Coal mines and mining
Annual Report of the Geological Survey of Pennsylv...
作者
Pennsylvania. Board of Commissioners for the Second Geological Survey
出版1886
ISBN
LCCN:gs07000766
主題
Coal mines and mining
Annual Report of the Geological Survey of Pennsylv...
作者
Geological Survey of Pennsylvania
出版Legare Street Press, 2023-07-18
ISBN
1020862823 / 9781020862823
Second Geological Survey of Pennsylvania
作者
Geological Survey of Pennsylvania
出版19??
ISBN
OCLC:311477686
Annual Report of the Geological Survey of Pennsylv...
作者
Pennsylvania. Board of Commissioners for the Second Geological Survey
出版1886
ISBN
LCCN:gs07000766
主題
Coal mines and mining
Bulletin of the Pennsylvania Geological Survey
作者
Pennsylvania Geological Survey
出版1922
ISBN
OCLC:647988358
Second Geological Survey of Pennsylvania: Report o...
作者
Stati Uniti d'America. Geological Survey of Pennsylvania (2.)
出版1876
ISBN
OCLC:875300588
Report of the Board of Commissioners of the Geolog...
作者
Geological Survey of Pennsylvania
出版1887
ISBN
OCLC:39327650
主題
Geology
Report of the Board of Commissioners of the Second...
作者
Pennsylvania. Geological Survey, 2d / H. M. Hoyt
出版1883
ISBN
OCLC:82864144
主題
Geology