Vigil Network Submission 24 July 1970
GRAHAM MILL AND LEE CREEK VALLEYS, Yazoo Watershed, Mississippi, U.S.A.
Map of watershed & 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)