NC Geological Survey Special Publication 6 - A Catalog of Seismic Events Recorded at Seismograph Station CHC, Chapel Hill, NC, January 1, 1955 through December 31, 1970
NCGS_SP_06_Catalog_Seismic_Events_Seismograph_Chapel_Hill.pdf
NCGS_SP_06_Catalog_Seismic_Events_Seismograph_Chapel_Hill.pdf