a program of the Harris Center for Conservation Ed:
sampling macroinvertebrates in Hinsdale
a program of the Harris Center for Conservation Ed:
sampling macroinvertebrates in the Minewawa
a program of the Harris Center for Conservation Ed:
sampling macroinvertebrates in the Minewawa
a program of the Harris Center for Conservation Ed:
kicknet in rushing river
a program of the Harris Center for Conservation Ed:
scrubbing stones
a program of the Harris Center for Conservation Ed:
sampling macroinvertebrates in Otter Brook
a program of the Harris Center for Conservation Ed:
separating macroinvertebrates from debris
a program of the Harris Center for Conservation Ed:
Mary Kate with a crayfish!