Robert Koscik said: http://narademo.umiacs.umd.edu/cgi-bin/isadg/viewseries.pl?seriesid=1443

I believe all of the maps from that page that pertain to the Clackamas District are on our maps page.  If I missed some, please let me know.

There are some cool other maps on there as well, including once from the Willamette National Forest.....Thanks for posting the link.