6/21 Course 1956 JOURNAL APR 29 (CONT) Point Isabel, Concha Costa Co., Calif. TWO TRAPS SET HERE AT HOLES - 1 SPRUNG BUT NO MOUSE. HOLE O/D ABOVE NEAR OUTSIDE ABOUT 2" BUT INSIDE DOWN TO A INCH AND HALF. TRAP SET ACROSS RUN IN 2 INCH HIGH SONIC LEADING ACROSS MARSH 10 FT AWAY HAD MICROtus IN IT. GROUND MUDDY IN RUN, BUT NOT THIS DOESN'T BOTHER MICE SINCE PATH WITH FOOTPRINTS. DUG OUT ANOTHER BURROW ON SAND SIDE OF ROAD BUT FURTHER TO THE NW BETWEEN THE ROAD & BAY INLET 20 FT FROM EDGE OF INLET X 20 FT FROM ROAD WITH WATER FILLED DITCH BESIDE ROAD. ABOUT 2 FT ABOVE HIGH TIDE LINE. FRESH DROPPING ON HILLOCK INTO WHICH THE BURROWS RAN. DROPPING SIZE: BROWNISH COLORED FRESH ORICCO GEARS IN NEST, A FEW AGES OF GRASS FRESH NO SONIC ANTO IT WITHIN A FOOT OF BURROW. 3 6 INCHOS TOP VIEW 4 FEET SIDE VIEW GRASS 1/2 INCH HIGH NEST 4 X 6 IN. 3 FOOT HIGH BUSHY CURVED - IN SMALL ARM - OF OLD GRASS.