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View Bibliography and Index of North American Geology, Paleontology, Petrology ... By Fred Boughton Weeks ,United States Geological Survey 
Bibliography and Index of North American Geology, Paleontology, Petrology ...
By Fred Boughton Weeks ,United States Geological Survey
View Annual Report of the State Geologist for ... By New Jersey Geological Survey,1863-1915 
Annual Report of the State Geologist for ...
By New Jersey Geological Survey,1863-1915
View Bibliography and Index of North American Geology, Paleontology, Petrology ... By Fred Boughton Weeks ,United States Geological Survey 
Bibliography and Index of North American Geology, Paleontology, Petrology ...
By Fred Boughton Weeks ,United States Geological Survey