DOGAMI Open-File Report Series

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Open-File Report O-20-12, Landslide inventory for a portion of Marion County, Oregon
by Nancy Calhoun, Ian Madin, and Christina Appleby; Esri geodatabase with internal metadata, external metadata in .xml format; text report.

Report only (5 p. PDF, 1.1 MB)
Download complete publication including GIS data (2.5 MB .zip file)

WHAT'S IN THIS REPORT?
This report updates a landslide inventory for a portion of Marion County, Oregon.
This inventory can help communities better reduce risk from landslides.

EXECUTIVE SUMMARY
The geodatabase accompanying this report is an inventory of mapped landslides in a portion of Marion County. The landslide inventory covers approximately 418 square miles, with mapping efforts focused on population centers and roadways (i.e., assets). This inventory was prepared by following the protocol developed by Burns and Madin (DOGAMI Special Paper 42, 2009). The geodatabase includes landslide deposits with associated scarp flanks and internal scarp and head scarp lines, as well as historic landslide points. This Marion County landslide inventory includes 35 historic landslide points and approximately 2,100 landslide deposit polygons.

STUDY AREA

DOGAMI 
Open-File Report O-20-12, Marion County landslide inventory study area

 

GEOGRAPHIC INFORMATION SYSTEM (GIS) DATA
Geodatabase is EsriĀ® version 10.2 format.
Metadata is embedded in the geodatabase and is also provided as separate .xml formatted files.

Marion _County_Landslide_Inventory.gdb:

Feature dataset: Historic_Landslide_Points

Feature dataset: Landslide_Inventory_GIS

Feature class:
Marion_Study_Area (polygons)