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o t { f \ <br /> OL <br /> OL <br /> 10 <br /> < _ <br /> \�I• j` dj p/X <br /> r J <br /> w iw <br /> C1 <br /> 1 <br /> `. Q <br /> Drainage patterns in the area are constrained by the local bedrock lithology.The Bentonite Mine is located within the Pleasant Valley Syncline along the <br /> Permian-Triassic contact. Due to Lithologic variances in competency of this bedrock, overland flow in this area drains downgradient to the NE along the contact <br /> between soft Tertiary Clays/Volcanic Ash (Tan) and competent Permian Sandstone/Conglomerate (Light Blue). <br />