APPROXIMATELY LOCATED IN OR AROUND THE ROBINSON MINING DISTRICT; 9 PGS; DEVONIAN STRATIGRAPHY OF THE ELY AREA; COPY OF PGS 63-71 OF INTERMOUNTAIN ASSOCIATION OF PETROLEUM GEOLOGIST, ELEVENTH ANNUAL FIELD CONFERENCE - 1960 ; AUTHOR: LANGENHEIM, R.L., JR.; HILL, JOHN D.; WAINES, R.H.