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Roy 1:100000 Quad Hydrography DLGs
Digital line graph (DLG) data are digital representations of cartographic information. DLG's of map features are converted to digital form from maps and related sources.... -
NOAA/WDS Paleoclimatology - Larson - Roy - QUAL - ITRDB WI049
This archived Paleoclimatology Study is available from the NOAA National Centers for Environmental Information (NCEI), under the World Data Service (WDS) for Paleoclimatology....