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Sprague River Oregon Geomorphology

Metadata Updated: July 8, 2024

Geomorphic mapping establishes the basic context for understanding modern channel conditions by (1) defining major elements of the late Cenozoic geologic history shaping the geomorphology of the study area; and (2) outlining the active geomorphic floodplain, which is the domain for assessing channel change and floodplain vegetation conditions. The mapping domain broadly corresponds with the extent of Light Detection and Ranging (LiDAR) topography acquired in November, 2004 (Watershed Sciences, 2005) and includes the broad alluvial valleys of the lower Sycan River, mainstem Sprague River, and lower North Fork of the Sprague River. The mapping encompasses the main floodplains and contiguous alluvial and colluvial landforms. The geomorphic mapping was based on aerial photographs, LiDAR topography acquired in November 2004 (Watershed Sciences, 2005), U.S. Geological Survey 7.5-minute topographic maps, existing soil mapping (Cahoon, 1985), prior geologic mapping (primarily Sherrod and Pickthorn, 1992), reconnaissance field observations, and stratigraphic sections, primarily along bank exposures but supplemented by augering.

Access & Use Information

Public: This dataset is intended for public access and use. License: No license information was provided. If this work was prepared by an officer or employee of the United States government as part of that person's official duties it is considered a U.S. Government Work.

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Metadata Created Date June 1, 2023
Metadata Updated Date July 8, 2024

Metadata Source

Harvested from DOI EDI

Additional Metadata

Resource Type Dataset
Metadata Created Date June 1, 2023
Metadata Updated Date July 8, 2024
Publisher U.S. Geological Survey
Identifier USGS:9f67ed94-a22d-4607-b253-0bbcd0d8ad09
Data Last Modified 20201117
Category geospatial
Public Access Level public
Bureau Code 010:12
Metadata Context
Metadata Catalog ID
Schema Version
Catalog Describedby
Harvest Object Id 639b32eb-6e70-4afe-8909-db587c2fdc45
Harvest Source Id 52bfcc16-6e15-478f-809a-b1bc76f1aeda
Harvest Source Title DOI EDI
Metadata Type geospatial
Old Spatial -121.883654,42.343441,-120.954829,42.635828
Publisher Hierarchy White House > U.S. Department of the Interior > U.S. Geological Survey
Source Datajson Identifier True
Source Hash ca3e42e376715d13936c4ee8c51a3061256a02b998ee5ce7857a3e9c7cdca371
Source Schema Version 1.1
Spatial {"type": "Polygon", "coordinates": -121.883654, 42.343441, -121.883654, 42.635828, -120.954829, 42.635828, -120.954829, 42.343441, -121.883654, 42.343441}

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