Ralph A. Graves
1882–1932
Nama dan Marga
R. A. Graves, Ralph Graves, Ralph Augustus Graves
Linimasa
- Birth
- 15 May 1882, بينبردج
- Death
- 17 Sep 1932, Spring Valley
- Pekerjaan
- cartographer
- Kewarganegaraan
- United States
- Pekerjaan
- National Geographic
Biografi
American cartographer (1882-1932)