Cook Inlet Basin Study Unit – Physiography

nawqa_phys is a polygon coverage of the physiographic divisions within the Cook Inlet Basin, National Water-Quality Assessment (NAWQA) study unit. The coverage was created from a statewide coverage of physiographic divisions based on USGS Professional Paper 482. The drainage basin boundaries of the Cook Inlet Basin, developed from 1:250,000 quadrangle maps, were used as the boundaries of the coverage. This coverage, along with several other coverages of the Cook Inlet Basin, will be used to help determine water-quality sampling locations.

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National Water Quality Assessment (NAWQA)—Cook Inlet Basin Study Unit
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Physiographic Regions of the Cook Inlet Basin - NAWQA
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追加情報

フィールド	値
最終更新	12月 17, 2019, 10:22 (AKST)
作成日	12月 17, 2019, 10:22 (AKST)
状態	Complete
Data Types	GIS
End Date	1997-06-24
ISO Topics	environment, geoscientificInformation
Geo-keywords	Kenai Peninsula, Southcentral