The Proceedings of the Iowa Academy of Science Iowa Academy of Science Published: 1903 Total Pages: 238 Get eBook
Bibliography of North American Geology for 1908 with Subject Index John Milton Nickles Published: 1909 Total Pages: 158 Get eBook
Oil Shale of the Rocky Mountain Region Dean Eddy Winchester Published: 1923 Total Pages: 758 Get eBook
Bibliographical Contributions from the Lloyd Library, Cincinnati, Ohio Lloyd Library (Cincinnati, Ohio) Published: 1917 Total Pages: 852 Get eBook
