Title: California gold and gem maps
Author: R.N. Preston, Northwest Distributors, LLC
Year: 2001
Series: Then & Now Series
Version:
Format: 5 map sheets, double-sided (10 maps, total)
Scale:
ISBN: 9780972044103
"Unique map series shows changes in gold and gem fields over the last 100 years in selected western states. Each map package includes current USGS maps of the state along with antique turn-of-the-century maps of the same areas for comparison." (description from Gem Guides Book Co.)
Copyright 2001
