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Map of 379,095 lakes within the National Hydrography Dataset version 2 (NHDPlusV2). Blue lakes intersect with lines of the NHDPlusV2 stream network and are designated as ‘on-network’ lakes (n = 125,993). Red lakes (n = 252,095) are geographically isolated from stream lines and are designated as ‘off-network’ lakes within LakeCat.
