TY  - RPRT
TI  - World distribution of soil, rock, and vegetation
AU  - J.M. Goldberg
AU  - F.R. Fosberg
AU  - Marie-Helene Sachet
AU  - Allen Reimer
PY  - 1966
DO  - 10.3133/ofr6650
UR  - https://pubs.usgs.gov/publication/ofr6650
ID  - ofr6650
ER  -