Hayes, C. W. (Charles Willard), 1859–1916
Nationality: Undetermined, possibly 
(United States)
Identities and Authority Control
- pdbooks.info ID: 11165
C. W. (Charles Willard) Hayes Contributed to the Following:
| Title | Edition | Year of Publication | Role | Country of Publication | Possible Copyright Status | Available Online? | |||
|---|---|---|---|---|---|---|---|---|---|
|  |  | 
| ||||||
| Handbook for field geologists | 3d ed., | 1921 | Author | |  | |  | | 
|
| Papers on the conservation of mineral resources / reprinted from Report of the National Conservation Commission, February, 1909. | 1909 | Author | | | |  | | ||