21. Red beds of the Triassic Chugwater Group, southwestern Powder River Basin, Wyoming Author/Creator: Cavaroc, Victor V. Publication/Creation: [Washington, D.C.] : U.S. G.P.O. ; Denver, CO : For the sale by the Books and Open-File Reports section, U.S. Geological Survey, 1991 Resource Type: Book Access & Availability: Loading
22. Bedrock geology of the Bristol Quadrangle, Hartford, Litchfield, and New Haven counties, Connecticut Author/Creator: Simpson, Howard E. 1874-1938, (Howard Edwin), author Publication/Creation: [Reston, Va.] : Department of the Interior, U.S. Geological Survey, 1990 Resource Type: Book Edition: Revised 1990. Access & Availability: Loading
23. Bedrock geology of the Bristol Quadrangle, Hartford, Litchfield, and New Haven counties, Connecticut Author/Creator: Simpson, Howard E. 1874-1938. (Howard Edwin) Publication/Creation: [Reston, Va.] : U.S. Dept. of the Interior, U.S. Geological Survey ; Denver, CO : For sale by the Books and Open-File Reports Section, 1990 Resource Type: Book Edition: Revised 1990. Access & Availability: Loading
24. Depositional environments of the Upper Triassic Chinle Formation in the eastern San Juan Basin and vicinity, New Mexico Author/Creator: Dubiel, Russell F. Publication/Creation: Washington : U.S. G.P.O. ; Denver, CO : For sale by the Books and Open-File Reports Section, U.S. Geological Survey, 1989 Resource Type: Book Access & Availability: Loading
25. Depositional environments of the Upper Triassic Chinle Formation in the eastern San Juan Basin and vicinity, New Mexico Author/Creator: Dubiel, Russell F., author Publication/Creation: [Reston, Va.] : Department of the Interior, U.S. Geological Survey, 1989 Resource Type: Book Access & Availability: Loading
26. Triassic-Jurassic stratigraphy of the Culpeper and Barboursville basins, Virginia and Maryland Author/Creator: Lee, K. Y. 1919- (Kwang-Yuan), author Publication/Creation: Washington : Department of the Interior, U.S. Geological Survey, 1989 Resource Type: Book Access & Availability: Loading
27. Triassic-Jurassic stratigraphy of the Culpeper and Barboursville basins, Virginia and Maryland Author/Creator: Lee, K. Y. Publication/Creation: Denver, CO : For sale by the Books and Open-File Reports Section, U.S. Geological Survey Resource Type: Book Is Part Of: U.S. Geological Survey professional paper, no. 1472-1477. Access & Availability: Loading
28. Paleoecology of a flood plain lake in the Durham sub-basin of the Deep River Basin (Late Triassic), North Carolina Author/Creator: Renwick, Patricia Louise Publication/Creation: [Place of publication not identified] : [publisher not identified], 1988 Resource Type: Book Access & Availability: Loading
29. Principal reference section for the Santa Rosa Formation of middle and late Triassic age, Guadalupe County, New Mexico Publication/Creation: Denver, CO : For sale by the Branch of Distribution, Books and Open-File Reports Section Resource Type: Book Access & Availability: Loading
30. Principal reference section for the Santa Rosa Formation of middle and late Triassic age, Guadalupe County, New Mexico Publication/Creation: [Reston, Va.] : Department of the Interior, U.S. Geological Survey, 1988 Resource Type: Book Access & Availability: Loading