Todd C. Hogrefe

• Columbia spotted frog (Rana luteiventris) conservation agreement and strategy
• Least chub (Iotichthys phlegethontis) conservation agreement and strategy annual progress report, 1999
• Least chub (Iotichthys phlegethontis) conservation agreement and strategy annual progress report, 2000 : final report
• Least chub (Iotichthys phlegethontis) distribution and habitat survey summary, Tule Valley, Utah : final report
• Virgin spinedace (Lepidomeda mollispinis mollispinis)