The National Atlas of the United States of America Big Book 1970 HC Survey is a comprehensive and detailed reference book published by the Department of Interior in 1970. This book, serving as a valuable resource for education, research, and reference purposes, features a collection of maps and information about the geography, demographics, and natural resources of the United States. With its comprehensive coverage and format as a hardcover book, it serves as a convenient and authoritative guide for exploring various aspects of the country.

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