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Census Block Group 1980
Block Groups (BGs) are statistical divisions of census tracts, are generally defined to contain between 600 and 3,000 people, and are used to present data and control block... -
1980 Lake County Aerial Color InfraRed (CIR)
This four foot pixel resolution color infrared aerial photography was purchased from the U. S. Department of Agriculture Aerial Photography Field Office, 2222 West 2300 South,... -
Maritime Limits and Boundaries of United States of America
NOAA is responsible for depicting on its nautical charts the limits of the 12 nautical mile Territorial Sea, 24 nautical mile Contiguous Zone, and 200 nautical mile Exclusive... -
Census Block Group 1980
Block Groups (BGs) are statistical divisions of census tracts, are generally defined to contain between 600 and 3,000 people, and are used to present data and control block...