Geologic map of the Harrisburg Junction quadrangle, Washington County, Utah (M-191) OHV Maps This Utah Geological Survey Miscellaneous

This Utah Geological Survey Miscellaneous Publication is the twentieth report in the Paleoseismology of Utah series

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centerpiece of Cedar Breaks National Monument in the southwest corner of the map area

can be removed to facilitate map use

Geologic map of the Harrisburg Junction quadrangle, Washington County, Utah (M-191) OHV Maps This Utah Geological Survey MiscellaneousBy: R. F. Biek The Harrisburg Junction quadrangle lies in the transition zone between the Colorado Plateau and Basin and Range physiographic provinces. Stratigraphic units ranging in age from the Early Permian Harrisburg Member of the Kaibab Formation to the Late Cretaceous Iron Springs Formation and totaling about 8,200 feet thick are exposed in the quadrangle. Three Pleistocene basaltic lava flows, one Pleistocene cinder cone, and a variety of