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Start Over Author National Geospatial-Intelligence Agency Subject Canals Bounding Box -40.000931 39.999015 -39.999064 40.000987

1. VMap1 Aqueducts, Lines

Datasets Harvard University Public content
1995. National Geospatial-Intelligence Agency. This datalayer is a polyline coverage representing aqueducts and canals located throughout current Vmap geographic coverage areas. Objects in this ...

2. VMap1 Aqueducts, Points

Datasets Harvard University Public content
1995. National Geospatial-Intelligence Agency. This datalayer is a point coverage representing aqueduct features such as canals and shafts. Objects in this layer have FACC (Feature and Attribute...