Vol. s4-19, Issue 112, 1905April 01, 1905 EDT
The Doughty Springs, a Group of Radium-Bearing Springs, Delta County, Colorado
The Doughty Springs, a Group of Radium-Bearing Springs, Delta County, Colorado
W. P. Headden,
Headden, W. P. (1905). The Doughty Springs, a Group of Radium-Bearing Springs, Delta County, Colorado. American Journal of Science, s4-19(112), 297–309. https://doi.org/10.2475/ajs.s4-19.112.297