ANCHORAGE, Alaska -- Open rivers, thin ice and a lack of snow are holding up a ground search for a 31-year-old Wisconsin man overdue from a trip to northwest Alaska.
Thomas Seibold of Three Lakes was reported overdue Sunday.
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Siebold in September traveled to Alaska to hike and explore. Alaska State Troopers say he split from his friends in late September intending to stay at a remote cabin through October.
He was expected to hike 25 miles to the village of Kobuk (COE'-buck) but so far has not appeared.
Seibold is an outdoors and survival instructor. He has camped extensively during winters.
Troopers hope to search along the Ambler River and Ulaneak (oo-LAN'-ee-ack) Creek where Seibold may have built a base camp.
Bad weather has restricted search flights.