Geomorphology of the Southern AppalachiansCharles Willard Hayes, Marius Robinson Campbell · First published 2022Open the Tome
Oil Fields of the Texas-Louisiana Gulf Coastal PlainCharles Willard Hayes · First published 2022Open the Tome
Expedition Through the Yukon DistrictCharles Willard Hayes · First published 1892AdventureOpen the Tome
Contributions to Economic Geology, 1907Waldemar Lindgren, Marius Robinson Campbell, Charles Willard Hayes · First published 1908Open the Tome
Contributions to Economic Geology, 1903Samuel Franklin Emmons, Charles Willard Hayes · First published 1904Open the Tome
Physiography and geology of region adjacent to the Nicaragua Canal routeHayes, C. W. (Charles Willard) · First published 1899Open the Tome