Field Trips. Oct. 16-17-1931. Friday. A.M. Oct 16, drove to a point on am. Falls highway, 5 1/2 miles S.W. of Michaud and set 13 gopher traps along rail road right of way; crossed over north of highway and placed 30 mouse traps for chip munks in sage bush about 1/2 mile from road; returned to Bannock creek, 2 1/2 miles south west of Michaud and placed 4 gopher traps and 10 mouse traps. - - - - Returned Friday P.M.; looked at part of gopher traps - no catch. Got one chip munk in trap at Bannock creek; placed 20 more mouse traps near Bannock creek. At Bannock creek the mouse and gopher sets were placed in a very small soft sand area where the sand was drifted some. Returned Sat. noon and collected all sets; caught.