Unknown2018-10-042018-10-041950EPM-064-01-011http://hdl.handle.net/20.500.11867/14179Envelope: 10 x 6 inch. Printed. Photographs: 6 sheets 9 x 6 inch. Printed recto and verso. Map: 12 x 9 inch. Printed. Special Map: 31 x 34 inch. Printed. Stitched to preserve content. Protractors: 9 x 5 inch. Printed. Grid: 9.5 x 6 inch. Printed.Contains: 12 plates of aerial photographs, 1 copy of plot map, 1 copy of special map "a", 1 protractor graduated in degrees, 1 protractor graduated in mils, and 1 photo coordinate card.EnvelopeAeronauticsPhotographMapEnvelope of aerial mapping items.