- Rogers, Richard K1
- Ruga, Pietro, engraver2
- Sargent, Rufus Harvey, b. 18752
- Saunders and Otley1
- Schrader, Frank C. (Frank Charles), 1860-19441
- Semper, C. H.1
- St. John, O. H. (Orestes Henry)1
- Tatum, Sledge1
- Tatum, Sledge.1
- Taylor, S. E.1
- Time Traveler Maps (Firm)1
- Toth, Tibor G1
- Tweedy, Frank, 1854-19371
- U.S. Coast and Geodetic Survey2
- United States. Army Map Service5
- United States. Army. Corps of Engineers1
- United States. Congress. Senate1
- United States. General Land Office1
- University of Arizona. State Bureau of Mines1
- Urquhart, C. F1
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