cam a22 2 4500 150994419 CHVBK 20200615070212.0 790417s1969 xxua b|||f100 0 eng|d (OCoLC)4866514 (NEBIS)003412771 UDI SzZuIDS NEBIS ZBZ Altenhofen Robert E. Applications of high-altitude photographs in topographic mapping Robert E. Altenhofen Washington U.S. Geological Survey, Topographic Division 1969 17 p. ill. Presented to [the] XI Pan American Consultation on Cartography, Pan American Institute of Geography and History, Washington, D.C., 1969 Summary in Spanish Bibliography: p. 16-17 Aerial photogrammetry Topographical surveying Konferenzschrift Washington (DC) 1969 gnd-content u Luftbildkartographie idszbz Z9 u Photogrammetrie idszbz Z9 United States Geological Survey (DE-588)1008577-4 Pan American Consultation on Cartography (DE-588)1092434208 BK020800 XK020000 XK020000 MedeaZBZ hilb idszbz ZR Washington (DC) Kongress = Congrès 1969 NEBIS Z01 Z04 KM05 Kart 4348 GB NEBIS 100 1- Altenhofen Robert E. NEBIS 710 2- United States Geological Survey (DE-588)1008577-4 NEBIS 711 2- Pan American Consultation on Cartography (DE-588)1092434208