The bars are proportional to the amount of large urban and buit-up areas in the state. National totals for each year are also given.
All data values are in hundreds of acres.
Data are not collected on Federal land. The national bar chart is not proportional to the state bar charts. NRI maps reflect national patterns rather than site- specific information. Also included are tracts of less than 10 acres that do not meet the above definition but are completely surrounded by Urban and Built-up land. Urban For additional information contact the Resource Assessment Division.