Vigil Network Submission 24 July 1970
GRAHAM MILL and LEE CREEK VALLEYS, Yazoo Watershed, Mississippi, U.S.A.
Map of watersheds and sedimentation ranges (base traced from 1937 airphotos)
Description of range end locations, with elevations -
Graham Mill Creek Valley (17 sheets)
Lee Creek valley (7 sheets)
Print of valley cross sections (3 sheets)