USGS

National Water Conditions

U.S. Geological Survey
Environment Canada Climate Information Branch

JAN 1968 || FEB 1968 || MAR 1968 || APR 1968 || MAY 1968 || JUNE 1968 ||
JULY 1968 || AUG 1968 || SEP 1968 || OCT 1968 || NOV 1968 || DEC 1968 ||

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