sigh007 发表于 2012-3-23 11:04:44

MIL-T-89301A


                   MIL-T-89301A, MILITARY SPECIFICATION: TOPOGRAPHIC MAPS 1:50,000 SCALE (28 FEB 1995)., This general specification defines requirements for the Defense Mapping Agency's (DMA) 1:50,000 Scale Topographic Maps.         
         
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