Luzon 1:25,000 [cartographic material] /

1st ed., AMS 1. Standard map series designation: AMS S812.; Topographic map series of Luzon showing roads, railroads, towns, villages, and vegetations. Relief shown by contours, hachures and soundings. Heights and depths in feet.; Includes legend, index to boundaries, index to adjoining sheets, coverage diagram, conversion graph, approx mean declination and Philippine polyconic grid data.; Each sheet is named and numbered individually.Series AMS S81