TY - RPRT TI - The Sahelian Zone Remote Sensing Seminar/Workshop at Bamako, Mali, West Africa, April 17-28, 1973 AU - Maurice J. Grolier AU - Raymond W. Fary AU - Stephen J. Gawarecki PY - 1974 DO - 10.3133/ofr74196 UR - https://pubs.usgs.gov/publication/ofr74196 ID - ofr74196 ER -