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This coverage was created by The Wetlands Conservancy using springs information obtained from Pacific Northwest Hydrography Framework (hydro.reo.gov) and from the Geographic Names Information System (GNIS). Thus, it shows mainly the points that are named “springs” on topographic maps. Many-fold more wetlands are groundwater-dependent but their springs have not been mapped.
Metadata: http://spatialdata.oregonexplorer.info/geoportal/catalog/search/resource/details.page?uuid={86B7A0F4-9F6E-40E6-8E84-5966F6552C16}
Download: http://www.pnwhf.org/nat-hyd-dataset.aspx |