This bibliography covering the San Juan River coal region through 1981 is a sister report to OF-84-01 which covers the Uinta Coal Region through 1984. Other earlier coal bibliographies by the CGS, which cover all of Colorado, include bulletins B-34-A (through 1971) and B-41 (1972-1977). Note that supplemental B-41 includes a number of pre-1972 references that are not listed in Bulletin 34-A, but were discovered later.
These bibliographies were later compiled (with revision) into Information Series IS-25, published in 1988. 17 pages. Digital PDF download. OF-83-01D