They await man's development and acceptance-banks of pitch, wells of oil, outcroppings of coal, great masses of unmined salt, mineral wealth uncounted and unguessed.
"The New North"
Agnes Deans Cameron
The point they chose was the nearest practicable bay that was unmined.
"Some Principles of Maritime Strategy"
Julian Stafford Corbett
Russia has large reserves which are practically unmined.
"The Economic Aspect of Geology"
C. K. Leith