“…In 1952 the Mineral Hill district was observed by Abbott ( 1954, p. 2) to be far more extensively mineralized than was noted at the time of discovery. Since then the size and origin of the deposits in both districts have received considerable attention (Sharp and Cavender, 1953;Kaiser, 1956;W eis and others, 1958, p. 39-40;Anderson, A. L., 1958, p. 21-77;, p. 1180-1201.…”