1968. Map of Agricultural Production by Type prepared for the Metropolitan Council as a part of An Ecological Study for the Twin-Cities Metropolitan Area...
1968. Map of Annual Precipitation prepared for the Metropolitan Council as a part of An Ecological Study for the Twin-Cities Metropolitan Area. Scale 1:2...
1968. Map of Aquifer Recharge Zones prepared for the Metropolitan Council as a part of An Ecological Study for the Twin-Cities Metropolitan Area. Scale 1...
1968. Map of Average Annual Precipitation prepared for the Metropolitan Council as a part of An Ecological Study for the Twin-Cities Metropolitan Area. S...
1968. Map of Average Number of Frost-Free Days prepared for the Metropolitan Council as a part of An Ecological Study for the Twin-Cities Metropolitan Ar...
1968. Map of Bedrock Geology prepared for the Metropolitan Council as a part of An Ecological Study for the Twin-Cities Metropolitan Area. Scale 1:250,000.
1968. Chart of Chart I - Contract prepared for the Metropolitan Council as a part of An Ecological Study for the Twin-Cities Metropolitan Area. Scale 1:2...
1968. Chart of Chart II - Work Performance prepared for the Metropolitan Council as a part of An Ecological Study for the Twin-Cities Metropolitan Area. ...