Interpretive Map 29 (IMS-29), Landslide inventory maps for the Canby Quadrangle, Clackamas, Marion, and Washington Counties, Oregon.
The Oregon Department of Geology and Mineral Industries (DOGAMI) has released four maps in one publication showing historic and pre-historic landslides in the Canby Quadrangle, which includes portions of Oregon City, West Linn, New Era, Barlow, and Canby in Clackamas County, plus small portions of Washington and Linn Counties.
IMS-29 on CD-ROM includes:
Plate 1, Landslide inventory map of the northwest, northeast, southwest and
southeast quarters of the Canby quadrangle, Clackamas and Washington counties, Oregon;
GIS data, a map view of the GIS data, and DOGAMI Special Paper 42;
Canby_LS_Inventory.gdb: geodatabase containing shp files for 1) landslide de-posits, 2) head scarps and flanks, and 3) scarps; metadata for shp files is included. 2009
Interpretive Map Series (IMS)
by William J. Burns