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Creator
- Tharp, W. E. (William Edgar)1
- Tufts, Wm. O.1
- U.S. Coast and Geodetic Survey1
- U.S. Lake Survey1
- United States. Army. Office of the Quarter Master General1
- United States. Army. Quartermaster Corps1
- United States. Forest Service1
- Wheeler, A. O. (Arthur Oliver), 1860-19451
- Wilson, Herbert M. (Herbert Michael), 1860-19201
- Young, Gilbert1
- Young, H. G. (Soil surveyor)1