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Earthquake: 1983 Borah Peak, Idaho; Magnitude 7.3, Close View of Damaged Chimney on the Old Challis High School, Challis, Idaho
Ogden Standard Examiner
November 30, 1982
Part of the 1995-1997 Personalizing the Earthquake Threat publication by the University of Utah Seismograph Stations, Earthquake Education Services; U.S. Geological Survey NEHRP project, award 1434-95-G-2566.
This Close-Up of the Chimney on the Back of the Old Challis High School Reveals Enlarged Mortar Seam Cracks. Similar Cracks Occurred in the West Exterior Wall. [USGS Open File Report 84-166 P.29] 1983 Borah Peak, Idaho, Earthquake Magnitude 7.3.