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(NW, NE, SE, and SW quarter quadrangles of the Oregon City 7.5' quadrangle; 1:8,000 scale)
Individual plates (36 x 44 inches).
Map 30, Landslide Inventory Maps of the Oregon City quadrangle, Clackamas County, Oregon, by William J. Burns and Katherine A. Mickelson. The IMS-30 CD contains the three quarter quads to complete the Oregon City 7.5' quad (the NW quarter quadrangle was released as IMS-26) as well as:
- IMS-26, Landslide Inventory Map of the Northwest Quarter of the Oregon City quadrangle, Clackamas County, Oregon (one plate), by William J. Burns and Ian P. Madin -- included to complete the 7.5' Oregon City quadrangle
- Special Paper 42, Protocol for inventory mapping of landslide deposits from light detection and ranging (lidar) imagery, by William J. Burns and Ian P. Madin -- included to provide background on how the landslide inventory data were prepared.
In addition, the CD contains a geodatabase, metadata for the GIS files, and a readme.txt file.