1. Ground magnetometer surveys over known and suspected breccia pipes on the Coconino Plateau, northwestern Arizona Author/Creator: Van Gosen, B. S. 1960- (Bradley S.) Publication/Creation: Washington : U.S. G.P.O. ; Denver, CO : For sale by the Books and Open-File Reports Section, 1989 Resource Type: Book Access & Availability: Loading
2. Ground magnetometer surveys over known and suspected breccia pipes on the Coconino Plateau, northwestern Arizona Author/Creator: Van Gosen, B. S. 1960- (Bradley S.), author Publication/Creation: [Reston, Va.] : Department of the Interior, U.S. Geological Survey, 1989 Resource Type: Book Access & Availability: Loading