Re- 41

Duration: 48 frames

Year Published: 1945

Creator: Permanent Ditch Linings. Pan 1 U.S. Public Health Service

Format: Filmstrip

Description: How monolithic concrete linings in ditches for pond draining prevent ditch erosion requiring Reminimum maintenance. Photographs, drawings and diagrams. (CDC-5-034; 107 frames, color, synchronized disc, 15 minutes) 43. Personal Traits Analysis -ex- U.S. Department of the Army, 1946. (Examining Personnel for Civilian Employ- 41 ment Series No. 2) Sources of information for job analysis and steps in work. 43. 41 -ex-

Complete Record: Series: Malaria Control Series Film number: SFS 61-5 Type: Filmstrip

Metadata Source:3434 U.S. Government Films