1. Geochemistry and stratigraphic relations of Middle Proterozoic rocks of the New Jersey Highlands Author/Creator: Volkert, Richard A., author Publication/Creation: Washington : United States Government Printing Office ; Reston, Va. : U.S. Geological Survey, 1999 Resource Type: Book Access & Availability: Loading
2. Geochemistry and stratigraphic relations of Middle Proterozoic rocks of the New Jersey Highlands Author/Creator: Volkert, Richard A. Publication/Creation: Reston, Va. : U.S. Geological Survey ; Denver, CO : For sale by USGS Information Services, 1999 Resource Type: Book Access & Availability: Loading