Machine generated contents note: pt. I Basic Concepts of GIS -- ch. 1 Some Concepts That Underpin GIS -- You Ask: "What Is GIS About?" -- And So You Ask Again: "What Is GIS About?" -- Exercise 1-1 ...
The most recently conducted aquifer vulnerability study consisted of DRASTIC and Pesticide DRASTIC (PDRASTIC) mapping for Grand Forks. Both methods use index values derived from key aquifer properties ...
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