“…The government geologist, H.L. Brown, argued that all of the mud springs in the district were in the “same position geologically, the water coming from below the Cretaceous marl and shale deposit which occupies so large a portion of the country” (Brown ). Wilkinson () recognized that the Cretaceous formation was of “great importance” and made the prescient suggestion that deep bores could supply the entire district in the future.…”