Effects of coal mining on the water resources of the tradewater river basin, ke
Grubb, H.F
Effects of coal mining on the water resources of the tradewater river basin, ke - Washington 1972 - 1-83 p. - United States Geological Surv .
Effects of coal mining on the water resources of the tradewater river basin, ke - Washington 1972 - 1-83 p. - United States Geological Surv .