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- Snyder, R. P.1
- Soister, Paul E.1
- Sri Lanka. Minindōru Depārtamēntuva1
- Survey of India, cartographer, issuing body1
- Szabo, Michael W.1
- Tasmania. Geological Survey1
- Teixeira, Carlos1
- Thomas, M. P. (Mendall Patterson), 1908-1
- Title Atlas Co. (Minneapolis, Minn.)1
- Tobisch, Othmar T. (Othmar Tardin), 1932-1
- Tucholke, Brian E.1
- Turkey. Harita Genel Müdürlüğü.1
- Uganda. Dept. of Lands and Surveys1
- United States. Defense Mapping Agency. Hydrographic Center1
- United States. Defense Mapping Agency. Topographic Center1
- United States. Forest Service. Eastern Region1
- United States. Forest Service. Pacific Northwest Region1
- United States. Forest Service. Southern Region, cartographer, publisher1
- United States. Naval Oceanographic Office1
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