Block · one region of the page, as the scanner read it. It may hold a whole story, part of one, several, or an advertisement; stitching blocks into articles is the next step. Text is supplied OCR.
Page 1 · column 4 of 4 · from the scan, no model involved
Aimougn examples uxe uove uanai are the ones that remain in the public conscious, there is good evidence that most damage is done by leaking underground storage tanks and failed septic systems.” Virginia’s 7,000 inactive landfills also “rank high as likely sources of contamination,” he added.
“Any talk of preventing pollution invariably comes down to a discussion of land use,” Rollison emphasized. “The reality is that the most important thing that affects groundwater is what you do with the land on top of it.” Councils and boards of supervisors must have the geological and hydrological data on which to make decisions on development proposed in critical recharge areas, Rollison said.
And aquifers must be protected from depletion as well as from pollution, he contended. “Once an aquifer has been depleted, the soil that once held water becomes depressed and its ability to contain the same volume of water in the future is reduced even if the water table is restored to its.former level.”
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