- Bowers, William E., 1983, Geologic map and coal sections of the Butler Valley Quadrangle, Kane County, Utah: Coal Map 95, 1 map :col. ;58 x 46 cm., on sheet 112 x 86 cm., folded in envelope 30 x 24 cm.,
- Mytton, James W., 1983, Geologic map of Chaco Canyon 30‘ x 60‘ Quadrangle, showing coal zones of Fruitland Formation, San Juan, Rio Arriba, and Sandoval counties, New Mexico: Coal Map 92-A, 1 map :col. ;65 x 89 cm., folded in envelope 30 x 23 cm.,
- Sanchez, J. D.; Blanchard, L. F.; August, Lisa L., 1983, Stratigraphic framework and coal resources of the Upper Cretaceous Blackhawk Formation in the Johns Peak and Old Woman Plateau areas of the Wasatch Plateau coal field, Salina 30‘ x 60‘ Quadrangle, Sevier County, Utah: Coal Map 93-A, 1 map :col. ;97 x 61 cm., on sheet 106 x 145 +1 sheet of stratigraphic sections 101 x 142 cm.,
- Sanchez, J. D.; Blanchard, L. F.; August, Lisa L., 1983, Stratigraphic framework and coal resources of the Upper Cretaceous Blackhawk Formation in the Convulsion Canyon and Wash Rock Canyon areas of the Wasatch Plateau coal field, Salina 30‘ x 60‘ Quadrangle, Sevier and Emery counties, Utah: Coal Map 93-B, 1 map :col. ;58 x 104 cm. +2 sheets with 19 stratigraphic correlations, 101 x 133 cm., 112 x 84 cm.,
- Sanchez, J. D.; Brown, Terrence L., 1983, Stratigraphic framework and coal resources of the Upper Cretaceous Blackhawk Formation in the Muddy Creek and Nelson Mountain areas of the Wasatch Plateau coal field Manti 30‘ x 60‘ Quadrangle, Emery, Sevier, and Sanpete counties, Utah: Coal Map 94-A, 1 map :col. ;58 x 135 cm. +1 sheet with 8 stratigraphic sections, 83 x 106 cm.,
- Sweatt, Nancy W.; Mytton, James W., 1983, Map showing structure contours on top of the Pictured Cliffs Sandstone and depths to the base of the Fruitland Formation, Chaco Canyon 30‘ x 60‘ Quadrangle, San Juan, Rio Arriba, and Sandoval counties, New Mexico: Coal Map 92-B, 1 map :col. ;56 x 90 cm., on sheet 71 x 114 cm., folded in envelope 30 x 23 cm.,
