22 books
Contributions to Economic Geology, 1906, Vol. 2: Coal, Lignite, and Peat (Classic Reprint)
Reconnaissance of the Borax Deposits of Death Valley and Mohave Desert (Classic Reprint)
Contributions to Economic Geology (Short Papers and Preliminary Reports), 1912 Volume 540
Contributions to Economic Geology (Short Papers and Preliminary Reports), 1912 Volume 541
Contributions to Economic Geology (Short Papers and Preliminary Reports), 1912, Issue 540
Contributions to Economic Geology (Short Papers and Preliminary Reports), 1912, Issue 541