DCHP-3

permafrost line

North
DCHP-1 (pre-1967)

Entry from the DCHP-1 (pre-1967)

This entry may contain outdated or offensive information, terms, and examples.

the line marking the southern boundary of permafrost.

Quotations

1957
It is only an accident of geography that the 1,670-mile-long Alaska Highway rarely broached the permafrost line or it might not have been finished by November 1942.
1965
The "permafrost line" runs in a very irregular line from the Ontario shore of Hudson Bay northwestward, passing north of Reindeer Lake and Lake Athabasca and along the north shore of Great Slave Lake.