Bulletin: Manual of the geology of Connecticut, by W.N. Rice and H.E. Gregory. 1906 State Geological and Natural History Survey of Connecticut Published: 1906 Total Pages: 346 Get eBook
Bulletins of the State Geological and Natural History Survey of Connecticut Published: 1917 Total Pages: 740 Get eBook
Geology and Coal Resources of the Walsenburg Area, Huerfano County, Colorado Ross B. Johnson Published: 1958 Total Pages: 246 Get eBook
Report on the Illinois State Museum of Natural History, at Springfield, Illinois Illinois State Museum of Natural History, Springfield Published: 1912 Total Pages: 580 Get eBook