00936cam a22002771 4500 gs 64000291 DLC 20260227111414.0 781017s1964 nmu 000 0 eng gs 64000291 (OCoLC)4299403 DLC TxEU OCoLC DLC premarc TN24.N6 A235 no. 71 Kottlowski, Frank Edward. The economic geology of coal in New Mexico, by Frank E. Kottlowski. [Albuquerque, N.M.] 1964. 10, [2] p. (incl. cover) illus., maps, 28 cm. New Mexico. Bureau of Mines and Mineral Resources. Circular 71 Cover title. Series statement stamped on cover. "A New Mexico business reprint from v.17, no. 2, February 1964." Bibliography: p. 10-[11] Coal New Mexico. Geology, Economic New Mexico. 29878 29878