McGinnis, L. D., & Heigold, P. C. (1974). A seismic refraction survey of the Meredosia Channel area of northwestern Illinois. Illinois State Geological Survey.
Chicago Style (17th ed.) CitationMcGinnis, Lyle David, and Paul C. Heigold. A Seismic Refraction Survey of the Meredosia Channel Area of Northwestern Illinois. Urbana: Illinois State Geological Survey, 1974.
MLA (9th ed.) CitationMcGinnis, Lyle David, and Paul C. Heigold. A Seismic Refraction Survey of the Meredosia Channel Area of Northwestern Illinois. Illinois State Geological Survey, 1974.
Warning: These citations may not always be 100% accurate.