Relief shown variously by contours, hachures, hypsometric tints, and spot heights. Set includes various issues of sheets, all following the same numbering pattern. Other sheet reproducers and/or compilers include Army Map Service, U.S. Army (AMS 1301); E.A. Survey Group; and 512 Field Survey Coy., R.E. Some sheets include adjoining sheets index, boundary diagram, and/or glossary.