Medium

Full-color geologic maps that show the lithology, age, origin, and topography of surface sediments. Each map covers an area of 1 degree of longitude by 1 degree of latitude.

Medium
AS-14-A1Surface Geology of the Goose River Map Area, by Harris, K.L., and Luther, M.R., 1991, 1 pl. (1:250,000). $3.00.
AS-4-A1Surface Geology of the Souris River Map Area, by Lord, M.L., 1988, 1 pl. (1:250,000). $3.00.
AS-15-A1Surface Geology of the Sheyenne River Map Area, by Harris, K.L., 1987, 1 pl. (1:250,000). $3.00.