http://hdl.handle.net/2097/1734 2013-05-23T11:49:35Z 2013-05-23T11:49:35Z http://hdl.handle.net/2097/2069 2009-11-03T20:58:03Z 2009-11-03T20:58:03Z

Riley County, Kansas, ZA-index-2 Index sheet 2 of 2 for flights flown between April 22, 1939 and May 15, 1939 by Aero Service Corporation, Philadelphia, PA for U.S. Dept. of Agriculture, Agricultural Adjustment Administration. Scale 1:70,400. Altitude unknown. No cloud cover. Original item size, 61 x 49 cm.

2009-11-03T20:58:03Z http://hdl.handle.net/2097/2068 2009-11-03T20:56:10Z 2009-11-03T20:56:10Z

Riley County, Kansas, ZA-index-1 Index sheet 1 of 2 for flights flown between April 22, 1939 and May 15, 1939 by Aero Service Corporation, Philadelphia, PA for U.S. Dept. of Agriculture, Agricultural Adjustment Administration. Scale 1:70,400. Altitude unknown. No cloud cover. Original item size, 61 x 49 cm.

2009-11-03T20:56:10Z http://hdl.handle.net/2097/2062 2009-10-30T20:11:25Z 2009-10-30T20:03:57Z

Riley County, Kansas, ZA-90-197 Flights flown between April 22, 1939 and May 15, 1939 by Aero Service Corporation, Philadelphia, PA for U.S. Dept. of Agriculture, Agricultural Adjustment Administration. Scale 1:12,000. Altitude unknown. No cloud cover. Original item size, 37 x 38 cm.

2009-10-30T20:03:57Z http://hdl.handle.net/2097/2061 2009-10-30T19:13:51Z 2009-10-30T19:13:51Z

Riley County, Kansas, ZA-91-120 Flights flown between April 22, 1939 and May 15, 1939 by Aero Service Corporation, Philadelphia, PA for U.S. Dept. of Agriculture, Agricultural Adjustment Administration. Scale 1:12,000. Altitude unknown. No cloud cover. Original item size, 37 x 39 cm.

2009-10-30T19:13:51Z