EQUIPMENT AND SUPPLIES - Surveying Instruments UNITED STATES DEPARTMENT OF THE INTERIOR GEOLOGICAL SURVEY Water Resources Division Washington 25, D.C. In reply refer to: February 28, 1958 GROUND WATER BRANCH MEMORANDUM NO. 58.29 To: District Chiefs and Staff Officials (GW) From: Assistant Chief, Ground Water Branch Subject: EQUIPMENT AND SUPPLIES - Surveying Instruments The Topographic Division has 12 used alidades surplus to their needs. These may be purchased for 100 dollars. The alidades, of Dietzgen and C.L. Berger and Sons makes, have 18-inch blades and 6-inch telescopic height; have been repaired, adjusted, and are in excellent condition. The alidades will be allocated on a first come first served basis. Districts interested in purchasing these instruments should submit Form 9064 to the Administrative Officer, Water Resources Division (Code 4010 0001) and indicate allotment to be charged. The request must be in the Washington office not later than March 12, 1958. (s) Clyde S. Conover Distribution: A, B, GS, GFO