000 00485nam a2200193Ia 4500
008 230518s9999 xx 000 0 und d
040 _cUDSM
050 _aQTO UG740.N3
245 0 _aPhotographic interpretation keys: military geology
260 _aWashington
260 _bDepartment of the Air Force
260 _c1956
300 _aix,173p.
300 _c28cm.
650 _aMilitary topography
700 _aill.
942 _2Library of Congress Library
942 _cBook
999 _c6660
_d6660