Roberts, Ralph Jackson, 1911-2007
להגדלת הטקסט להקטנת הטקסט-
נשמר בהצלחההפריט קיים באזור האישישגיאההכנסו לחשבון כדי לשמור
מידע על הזהות:
מקורות מידע
- By: Ralph Jackson Roberts ( (Generalized map of Paleozoic and Mesozoic facies in north-central Nevada WWW site, June 5, 2015) )
- Generalized map of Paleozoic and Mesozoic facies in north-central Nevada, 1965:Index of source maps (R. J. Roberts)
- His Geology of the Antler Peak quadrangle, Nevada, 1951
- Ralph J. Roberts (geologist); 1911-2007; American geologist and research scientist with the USGS; credited with the discovery of the Carlin and Battle Mountain Gold Belts ( (Wikipedia, June 5, 2015) )