Tunnel proposition for the drainage, transportation, and development of one of the richest mining districts in the state of Colorado
Date
1919?Keywords
Tunnels -- Colorado -- Gunnison CountyMines and mineral resources -- Colorado -- Gunnison County
Ores -- Colorado -- Gunnison County
Ores -- Sampling and estimation -- Colorado -- Gunnison County
Mining claims -- Colorado -- Gunnison County
Tin Cup Mining District (Colo.)
Taylor Park Mining District (Colo.)