Vol. s3-41, Issue 242, 1891February 01, 1891 EDT
Columbite and Tantalite From the Black Hills of South Dakota
Columbite and Tantalite From the Black Hills of South Dakota
William Parker Headden,
Headden, W. P. (1891). Columbite and tantalite from the Black Hills of South Dakota. American Journal of Science, s3-41(242), 89–102. https://doi.org/10.2475/ajs.s3-41.242.89