If there are 2 inches or less, stay off the ice.
Four inches of ice is safe for ice fishing or other on-foot activities.
Five inches of ice is safe for snowmobile or ATV travel.
Eight to twelve inches of ice is safe for small vehicles to travel.
Twelve to fifteen inches is safe for travel by a medium vehicle. Park vehicles 50 feet apart and move them every two hours to prevent sinking. Make a hole next to the car, if water starts to overflow the top of the hole – the ice is sinking and it’s time to move the vehicle.
**White ice or “snow ice” is only about half as strong as new clear ice. Double the above thickness guideline when traveling on white ice.**
photos: Rapid City Journal
2nd tourist gored by bison in YNP in 3 days
By Moosetrack Megan
ELK REGULATIONS THREATENED!!!
By Montana Grant
90 year-old woman fends off bear with chair
By angelamontana
GOOD and BAD CAMPING IDEAS!!!
PERCH POO POO PARTY!!!
Bear opens car door of elderly couples
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VOLUNTEERS NEEDED FOR 24TH ANNUAL WEED WHACKER RODEO
BIOLOGISTS SET TO BEGIN GRIZZLY BEAR CAPTURES
Beartooth Highway partially reopen
Man gored by bison in Yellowstone National Park
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FWP to hold work session on hunter/landowner stewardship project
OLD STEEL BRIDGE FISHING ACCESS SITE PARTIALLY REOPENS TO PUBLIC ACCESS
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