1. Geology of the Libby thrust belt of northwestern Montana and its implications to regional tectonics Author/Creator: Harrison, Jack Edward, 1924- Publication/Creation: Denver, CO : For sale by USGS Map Distribution Resource Type: Book Is Part Of: U.S. Geological Survey professional paper, no. 1521-1524. Access & Availability: Loading
2. Geophysical setting of the Reelfoot rift and relations between rift structures and the New Madrid seismic zone Author/Creator: Hildenbrand, T. G. Publication/Creation: Washington : U.S. G.P.O. : U.S. Dept. of the Interior, U.S. Geological Survey, 1995 Resource Type: Book Access & Availability: Loading