Bureau of Mines / Minerals yearbook area reports: domestic 1972
Year 1972, Volume 2 (1972)
Broderick, Grace N.
Arkansas, pp. 97-110 PDF (1.4 MB)
http://rightsstatements.org/vocab/NoC-US/1.0/| As a work of the United States government, this material is in the public domain.| For information on re-use see: http://digital.library.wisc.edu/1711.dl/Copyright