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National Hydrography Dataset High Resolution Flowlines

Published by U.S. Geological Survey | Department of the Interior | Catalog Last Checked: May 05, 2026 at 09:56 PM | Dataset Last Updated: February 20, 2025 at 12:00 AM
This child item contains estimated Self-Calibrated Palmer Drought Severity Index (scPDSI) values and ancillary information for the flowlines in the National Hydrography Dataset High Resolution (NHDPlus_HR, 1946-1999). Files include flowlines within the 12 HUC4 boundaries for the study area (1701-1712).

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