USGS

National Water Conditions

U.S. Geological Survey
Environment Canada Climate Information Branch

JAN 1970 || FEB 1970 || MAR 1970 || APR 1970 || MAY 1970 || JUNE 1970 ||
JULY 1970 || AUG 1970 || SEP 1970 || OCT 1970 || NOV 1970 || DEC 1970 ||

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