Water Well Journal, August 2000, Sunrise over San Jacinto Mountains and sonic drilling rig, March Air Force Base, California, v. 54, no. 13

AEG News, June 2000, Marin Headlands, California, v. 43, no. 3

AEG News, June 2000 (back cover), montage of 3 photographs from San Francisco Bay area , California, v. 43, no. 3

GSA Today, June 2000, Lava Flows, Lake Tahoe, Nevada, v. 10, no. 6

Environmental Protection, February 2000, Groundwater cleanup, Oakland, California, v. 11, no. 2

GSA - Summit 2000, Lava Flows, Lake Tahoe, Nevada

GSA - Exhibitor Prospectus for 2000 Annual Meeting, Lake Tahoe - Nevada State Park, Nevada

AAPG Bookstore - 2000 Catalog, Sea Cave at San Gregorio State Beach, California

National Association of State Boards of Geology, October 1999, 5 photographs of California geologic landscapes. Annual meeting held in San Francisco.

GSA Abstracts with Programs for 1999 Annual Meeting, Continental Divide - Sawatch Range and James Peak, Colorado

GSA Bulletin, September 1999, (back cover) Continental Divide - Sawatch Range and James Peak, Colorado

Geotimes, September 1999, (GSA ad, back cover) Continental Divide - Sawatch Range and James Peak, Colorado

Ground Water Monitoring & Remediation, Summer 1999 - Buyers Guide, Monitoring Well Installation, Naval Air Weapons Station, Point Mugu, California

GSA Today, June 1999, (2 photographs) Continental Divide - Sawatch Range and James Peak, Colorado

Water Well Journal, June 1999, Resonant Sonic Drilling, March Air Force Base, Riverside, California

CDMG, June 1999, Geologic Field Trips in Northern California - Centennial Meeting of the Cordilleran Section of the Geological Society of America, Special Publication 119Franciscan Complex, Lands End, San Francisco, California

CDMG, June 1999, Geologic Field Trips in Northern California - Centennial Meeting of the Cordilleran Section of the Geological Society of America, Special Publication 119 (back cover), Nonconformity, Sierra Nevada, California

Geotimes, December 1998, Aerial Photograph of Front Range, Colorado

AAPG, 1999 Education Calendar (back cover), Capitol Reef National Park, Utah

California Geology, September/October 1998, Wonderland of Rocks, Joshua Tree National Park, California

California Geology, September/October 1998, (back cover), Fortynine Palms Oasis, Joshua Tree National Park, California

GSA 1999 Exhibitor Prospectus, (2 photographs) Continental Divide - Sawatch Range and James Peak, Colorado

California Geology, May/June 1998, Exfoliation on Half Dome, Yosemite National Park, California

California Geology, May/June 1998, (back cover), Lembert Dome, Yosemite National Park, CA

AAPG Explorer, February 1998, Quaternary shoreline deposit of Great Salt Lake, Utah

AAPG, 1998 Education Calendar, Eolian sandstone, Paria Canyon, Utah

AAPG, 1998 Education Calendar (back cover), Bioherm in Minturn Formation, Colorado

GSA Abstracts with Programs for 1997 Annual Meeting, Delicate Arch, Arches National Park, Utah

GSA Abstracts with Programs for 1996 Annual Meeting, Great Sand Dunes National Monument, Colorado

GSA Abstracts with Programs 1996 (back cover), Delicate Arch, Arches National Park, Utah

Geology, October 1996, Haleakala National Park, Maui

GSA Today, June 1996, Great Sand Dunes National Monument, Colorado

GSA Today, June 1994, The Brothers, Hood Canal, and Olympic Mountains, Washington

GSA Catalog 1993-1994, Yosemite National Park, California and Great Sand Dunes National Monument, Colorado

AAPG Bulletin, October 1990, Capitol Reef National Park, Utah

AAPG Bulletin, May 1989, Mammoth Hot Springs, Yellowstone National Park, Wyoming

Geotimes, October 1988, Delicate Arch, Arches National Park, Utah

Geology, September 1988, Sand Dunes, Death Valley National Monument, California

AAPG Bulletin, March 1988, Badlands, Death Valley National Monument, California

Geology, June 1987, Angular Unconformity, San Juan Mountains, Colorado

Abbreviations and Organizations:

AAPG - American Association of Petroleum Geologists, Tulsa, Oklahoma

CDMG - California Division of Mines and Geology, Sacramento, California

GSA - Geological Society of America, Boulder, Colorado