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

1. Global GIS : Aqueducts, canals, flumes, penstocks

Datasets Harvard University Public content
1997. United States. National Imagery and Mapping Agency. This datalayer is a polyline coverage representing major roads worldwide and was published as part of the USGS Global GIS : global coverage databas... American Geological Institute.

2. 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 ...

3. 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...