.

Identification Information

Title:	Oregon Lidar: Digital Terrain Model Hillshade
Originator:	Oregon Department of Geology and Mineral Industries (DOGAMI)
Publication Date:	20210422
Abstract:	This GIS dataset contains mosaiced digital terrain model (DTM) hillshade raster grids depicting lidar-derived elevation data collected in Oregon. The dataset is updated on an occasional basis to include all lidar collections held by the Oregon Department of Geology and Mineral Industries. The DTM horizontal grid cell is 3 feet by 3 feet. The DTM hillshade raster mosaic has been organized so that if there are overlapping collections, the most recently collected datasets are layered on top.
Purpose:	This mosaic data set provides a mosaic of digital terrain model (DTM) hillshade imagery which is derived from DTM rasters collected in Oregon. This dataset includes DTM hillshade imagery data produced from DTM rasters collected by the Oregon Department of Geology and Mineral Industries (DOGAMI) and the Oregon Lidar Consortium as well as other organizations that have provided a copy of lidar data to DOGAMI. This dataset provides high resolution shaded relief imagery for the purpose of managing natural resources and mapping natural hazards.
Progress:	In work
Frequency:	As needed

Time Period of Content

Date Range

Begin Date:	20001008
End Date:	20210422

Currentness:

The Oregon digital terrain model (DTM) hillshade imagery mosaic covers portions of the state of Oregon. The mosaic contains individual DTM rasters that have overlapping areas. In these instances, the most recently collected data is layered on top.

West Bounding Longitude:	-124.820452
East Bounding Longitude:	-116.406530
North Bounding Latitude:	46.428557
South Bounding Latitude:	41.717156

Constraints

Access:

No restrictions apply to this data.

Use:

None. However, users should be aware that temporal changes may have occurred since this dataset was collected and that some parts of these data may no longer represent actual surface conditions. Users should not use this data for critical applications without a full awareness of its limitations. This product is for informational purposes and may not have been prepared for or be suitable for legal, engineering, surveying, or site specific purposes. Users of this information should review or consult the primary data and information sources to ascertain the usability of the information. Acknowledgment of Oregon Department of Geology and Mineral Industries would be appreciated for products derived from these data.

Theme Keywords

Theme Topics:

Elevation and Derived Products, Environment and Conservation, Geological and Geophysical

Distribution Information

Distribution Liability:	Users should be aware that temporal changes may have occurred since this dataset was collected and that some parts of these data may no longer represent actual surface conditions. Users should not use this data for critical applications without a full awareness of its limitations. This product is for informational purposes and may not have been prepared for or be suitable for legal, engineering, surveying, or site specific purposes. Users of this information should review or consult the primary data and information sources to ascertain the usability of the information. Acknowledgment of Oregon Department of Geology and Industries would be appreciated for products derived from these data.
Address Type:	mailing and physical
City:	Portland
State:	OR
Postal Code:	97232
Telephone:	971-673-1555

Metadata Reference Information

Address Type:	mailing and physical
City:	Portland
State:	OR
Postal Code:	97232
Telephone:	971-673-1555
Metadata Standard Name:	FGDC Content Standard for Digital Geospatial Metadata
Metadata Standard Version:	FGDC-STD-001-1998

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