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During late September, the E and H cranes foraged together <br />in fallow fields near the double pond (Section 17), and the <br />E cranes foraged along Fish Creek in riparian vegetation. <br />The territoriality had broken down by this time. By 1 <br />October John Monarch noted 16 cranes had congregated along <br />Fish Creek in the southern sector, suggesting the area was a <br />staging ground prior to fall migration. <br />From 6-8 October all the cranes had left Twentymile Park. <br />This was prior to any seismic activity. Two flocks of 95 <br />and 74 cranes, respectively, flew high over Twentymile Park <br />on 6 October. This was the only occurrence of cranes during <br />this period. <br />Response to Human Activity <br />The cranes in E, F, and H did not display any aversion to <br />the drilling rig in the southeast corner of Section 16, a <br />team of four botanists working in Section 15-17, cattle, <br />raptors, the coal train, sonic booms, blasting at the Edna <br />and Eckman Park Mines, construction of the haul road, or <br />plowing of the fallow fields in Section 16, The investigator <br />could drive within 30 m or walk within 80 m of the cranes <br />before they would flush. On 18 August, five cranes foraged <br />within 150 m of the drilling rig. The two cranes from F <br />then proceeded to walk within 100 m of the rig, cross Fish <br />Creek, and begin foraging in a fallow field 250 m north of <br />the rig. <br />10 <br />