20260609 15514400 1.0 TRUE Paleochannels_DelmarvaArea paleochannels Delmarva USGS This U.S. Geological Survey data layer represents Delmarva area paleochannels, the approximate routes of rivers that once flowed over the shelf and carved out the canyons. No official metadata exist for this data layer. NOTE: THIS DATA LAYER IS POSTED AS DRAFT FOR INTERNAL REVIEW BY THE MARCO PORTAL AND IS NOT INTENDED FOR OTHER USES AT THIS TIME. Credits: U.S. Geological Survey (USGS); draft web service published by the MARCO Portal (for internal Portal review purposes) Use limitations: THIS DATA LAYER IS POSTED AS DRAFT FOR INTERNAL REVIEW BY THE MARCO PORTAL AND IS NOT INTENDED FOR OTHER USES AT THIS TIME. 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