Location of Shelby, Havre, Glasgow, and Wolf Point quads

The boxes labeled Shelby, Havre, Glasgow, and Wolf Point indicate the four 1:250,000 scale quadrangles for which new surficial geologic maps are being produced. (Galat, D.L., Berry, C.R., Jr., Peters, E.J., and White, R.G., 2005, Missouri River Basin, in Benke, A.C., and Cushing, C.E., eds., Rivers of North America: Boston, Elsevier/Academic Press, p. 427-480.)