Orville Adalbert Derby
Orville A. Derby; Orville Derby; O.A. Derby
* July 23, 1851 – November 27, 1915 †
geologist, mineralogist, naturalist
American geologist
- 54 specimens collected from at least 2 countries
- 10 specimens used in 4 works
Progress
Identified From
Collected From
- Brazil 53
- United States 1