Field Guide 003 September 18, 1993 in Guidebooks /by Tom Bush Cheney, E. S., 1993, The Geology of Northeastern Washington (2.8 MB)
Field Guide (unnumbered) May 25, 1992 in Guidebooks /by Tom Bush Easterbrook, D. J., 1992, Guidebook for NW Geological Society Field Trip to Whidbey Island (12.7 MB) (Un-reformatted to NWGS standards)
Field Guide 002 June 9, 1990 in Guidebooks /by Tom Bush Booth, D. B., 1990, Pleistocene Deposits and Subglacial Landforms of the Southeastern Puget Sound Lowland (729 KB)
Field Guide 001 October 7, 1989 in Guidebooks /by Tom Bush Brown, E. H., 1989, Geology of the Skagit Crystalline Core and the Northwest Cascades System (1.5 MB)