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Start Over Subject Ponds Place Eastern Hemisphere Bounding Box -40.000931 39.999015 -39.999064 40.000987

1. Global GIS : Larger perennial water bodies and rivers

Datasets Harvard University Restricted content
1997. United States. National Imagery and Mapping Agency. This datalayer is a polygon coverage representing larger perennial water bodies and rivers worldwide and was published as part of the USGS Global G... American Geological Institute.

2. VMap1 Lakes and Reservoirs

Datasets Harvard University Public content
1995. National Geospatial-Intelligence Agency. This datalayer is a polygon coverage representing lakes, ponds and reservoirs located throughout current VMap1 geographic coverage areas. Features ...