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Place Arizona Subject Perennial Waters

1. Major Rivers, Arizona, 1993

1993. Data layer depicts major rivers. Converted in the fall of 1988 from USGS 1:100,000 scale DLG data to ARC format. Since then, multiple and extensive... United States Geological Survey.

2. Major Rivers, Main Stem, Primary & Secondary Tributaries, Arizona, 1988

1988. Data layer depicts all rivers and streams. Converted in the fall of 1988 from USGS 1:100,000 scale DLG data to ARC format. Since then, multiple and... Arizona State Land Department.