Laserfiche WebLink
<br />also shown on Map M54C. <br /> <br /> <br />The Third White Sandstone, Second White Sandstone, and alluvial aquifer <br />piezometric levels are presented on M54C. Wells GB2 and GBB1 were used in the <br />construction of this water-level elevation map. Flow direction in the Third White <br />Sandstone is mainly toward the north, as expected. Natural variations in recharge <br />to this aquifer are thought to have caused more changes in the piezometric map of <br />the Third White Sandstone than mining. <br />The piezometric surfaces in Map M32 indicate that the shallow aquifer system <br />in Pyeatt obtains a significant amount of ground water from the Second White <br />Sandstone, while the Third White Sandstone is restricted from yielding a large <br />amount of water to this system. The heads in the Third White SS are estimated to be <br />significantly below the Pyeatt shallow:cystem in the area of wells P4 and P5 (see <br />Map M32). A width of approximately 1700 feet of the Second White Sandstone could <br />yield 33 gpm; the flow measured in the Pyeatt aquifer system near well P-1. The <br />Second White Sandstone is thought to contribute the majority of the water in the <br />Pyeatt system. <br />0 4-226ii <br />REVISED AUG 19 '87