A seismographic study of mid-continental primary wave travel times

Holmes, Jon Ferrell.2015-12-312015-12-311964http://hdl.handle.net/2097/25841Call number: LD2668 .T4 1964 H75Seismology--Observations.Seismology--North America.A seismographic study of mid-continental primary wave travel timesTextMasters theses