Humphreys, Benjamin G. (Benjamin Grubb), 1865–1923
Nationality: Undetermined, possibly 
(United States)
Identities and Authority Control
- pdbooks.info ID: 132552
Benjamin G. (Benjamin Grubb) Humphreys Contributed to the Following:
| Title | Edition | Year of Publication | Role | Country of Publication | Possible Copyright Status | Available Online? | |||
|---|---|---|---|---|---|---|---|---|---|
|  |  | 
| ||||||
| Floods and levees of the Mississippi River | 1914 | Author | |  | | | | ||