PO-05 Poster – Geologic Mapping Colorado

PO-07 Poster – Yule Marble

PO-08 Poster – Geology of Colorado

PO-06 Poster – Avalanches in Colorado

PO-02 Poster – Geologic Hazards of Colorado

PO-03 Poster – Mineral Resources of Colorado

PO-01 Poster – Symbols of Colorado: Mineral, Gem, Rock and Fossil

MI-49 Geology of Colorado Postcard

SP-49 The Handbook of Colorado Meteorites

RockTalk: Annual Review 1999

SP-40 Dinosaur Lake: The Story of the Purgatoire Valley Dinosaur Tracksite Area

SP-44 Geologic Excursions to the Rocky Mountain and Beyond, Field Trip Guidebook for the 1996 GSA Annual Meeting, Denver