Harbour, R. L.
Coal resources of Trinidad-Aguilar area, Las Animas and Huerfano Counties, Colorado R. L. Harbour and G. H. Dixon - Washington United States Government Printing Office 1959 - pages iv, 445-489 - Geological Survey bulletin 1072-G .
Plate 10: Geology of the Trinidad-Aguilar area, Las Animas and Huerfano Counties, Colorado / Geology mapped by R.L. Harbour and G.H. Dixon. Base map compiled from aerial photogrqphs. At head of title: Department of the Interior, United States Geological Survey. As of 06/28/2016, GPO could not validate the distribution status of this title for the FDLP.
Coal reserves --Colorado Huerfano County
Coal reserves --Colorado Las Animas County
Geology --Colorado Huerfano County
Geology --Colorado Las Animas County
557.3 Har 44
Coal resources of Trinidad-Aguilar area, Las Animas and Huerfano Counties, Colorado R. L. Harbour and G. H. Dixon - Washington United States Government Printing Office 1959 - pages iv, 445-489 - Geological Survey bulletin 1072-G .
Plate 10: Geology of the Trinidad-Aguilar area, Las Animas and Huerfano Counties, Colorado / Geology mapped by R.L. Harbour and G.H. Dixon. Base map compiled from aerial photogrqphs. At head of title: Department of the Interior, United States Geological Survey. As of 06/28/2016, GPO could not validate the distribution status of this title for the FDLP.
Coal reserves --Colorado Huerfano County
Coal reserves --Colorado Las Animas County
Geology --Colorado Huerfano County
Geology --Colorado Las Animas County
557.3 Har 44