Title from caption.
Microfiche. v.2:no.1- [Washington, D.C.] : Supt. of Docs., U.S. G.P.O., [1992- microfiches : negative.
Vols. for summer 1990-spring 1991 issued by: US Army Corps of Engineers, Engineers Topographic Laboratories; fall 1991- by: US Army Corps of Engineers, Topographic Engineering Center.