Map of Glaciation Movements prepared for the Metropolitan Council as a part of An Ecological Study for the Twin-Cities Metropolitan Area. Scale 1:250,000Bounding Box (W,S,E,N): -93.9791,44.4981,-92.8021,45.361JPEGengWallace, McHarg, Roberts and ToddPublicGlaciation Movements: Ecological Study for the Twin-Cities Metropolitan AreaMapsMinnesota--MinneapolisMinnesota--Saint PaulMinnesota--BloomingtonMinnesota--Hennepin CountyMinnesota--Ramsey CountyMinnesota1968University of Minnesota