TY - RPRT TI - Pilot project for seasonal vegetation monitoring in support of grasshopper and locust control in West Africa AU - G. Gray Tappan AU - Thomas Loveland AU - Donald G. Orr AU - D. G. Moore AU - S. M. Howard AU - Dean J. Tyler PY - 1988 UR - https://pubs.usgs.gov/publication/70236866 ID - 70236866 ER -