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Pfafstetter
10
South America
dem stream hydrologic derivatives pfafstetter
10
digital elevation models
10
elevation
10
streams
10
inlandWaters
8
imageryBaseMapsEarthCover
2
Africa
1
Asia
1
Asia Minor and Middle East
1
Australia
1
Australia and New Zealand
1
Europe
1
Greenland
1
North America
1
Pacific Islands
1
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