South Fork Spring River, Arkansas

western Washington lake sampling

Lake Mashu, Hokkaido, Japan

sampling in Hokkaido (Usio)

NIES Group, Tsukuba, Japan


central Washington coulees

forest surveys of TNC protected 
areas in Appalachia
crayfish competition experiments, Arkansas

western Washington lake sampling (Jeff)

Pacifastacus leniusculus in Hokkaido



sampling in Hokkaido (Hayashi)




Hutton interns Kerry and Francis


field help from Stumpy & Carolyn

timber rattlesnake on TNC protected
area in Tennessee
crayfish competition experiments, Arkansas


western Washington lake sampling (Julian)


sampling in Hokkaido


sampling in Hokkaido (Takenaka)

Meryl, Thomas, Julian (Olden Lab)


British Columbia

forest surveys of TNC protected
areas in Appalachia