Mineral resources of the Oregon Buttes Wilderness Study Area, Sweetwater County, Wyoming / A.B.Gibbons,H.N.Barton,D.M.Kulik,M.E.Lane, 1990. - 17 p. - Текст : непосредственный.
Mineral resource potential and geology of the San Juan National Forest, Colorado / Ed.: R. E. Van Loenen, A. B. Gibbons, 1997. - IX,140 p. p. - Текст : непосредственный.
Mineral resources of the Bobcat Draw Badlands Wilderness study area, Big Horn and Washakie counties, Wyoming / A.B.Gibbons,R.R.Carlson,D.M.Kulik,W.Lundby, 1989. - 15 p. - Текст : непосредственный.
Mineral resources of the Buffalo Hump and Dunes Addition wilderness study areas, Sweetwater County, Wyoming / A.B.Gibbons,H.N.Barton,D.M.Kulik,J.R.McDonnell, 1989. - VI,17 p. p. - Текст : непосредственный.