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
- 17 specimens used in 11 works
Progress
Collected From
- Brazil 53
- United States 1
Identified From
Dates Collected
- 1870 – 1875 39
- 1895 – 1900 1
- 1970 – 1975 1