Aerial Photo for Washington County, locality Blue Rapids, Palmer, quadrangle Washington 4 NW, project GS-COD. Date of photo 1965-04-28. Other info Flt. 1-4 Ew 10000. Range of sheets "1B:213-216, 1F:216-212, 1B:172-176, 1F:172-175, 1B:166-169, 1F:165-169, 127, 124, 1B:128, 125, 124". Number of sheets 34.