The trailhead at Barlow Pass is at 48.026627,-121.444378
http://maps.google.com/?q=48.026627,-121.444378
Northwest Forest pass is required ... should be available at the Verlot ranger station.
Walking Map from http://www.mcpa.us/hikes.pdf see below.
Map of townsite http://mcpa.us/MCPA%20brochure%202%20copy.pdf see below.
Wikimapia Satellite view http://wikimapia.org/#lat=47.9859867&lon=-121.3941622&z=16&l=0&m=b&v=8
Hazmat Report, including map of mines http://www.fs.fed.us/r6/mbs/projects/cercla-hazmat-cleanup-projects/2009-09-18-MCMA-EECA-Summary-Report.pdf
Sidney Mine http://www.fs.fed.us/r6/mbs/projects/cercla-hazmat-cleanup-projects/2006-09_APA--sidney_mine--graham.pdf
My map for Monte Cristo (which appears to be working very slowly as of 7/4/2011. Sigh...)
View Monte Cristo, WA in a larger map