Founder Effect. The Founder Effect is defined as a type of bottleneck, a type of genetic drift describing the loss of the allelic variation that accompanies founding of a new population from a very small number of individuals (a small sample of a much larger source population).
For example, two well drilling companies -- one in Pennsylvania and one that covers New Hampshire, Vermont and central Massachusetts -- state the cost for drilling a well and outfitting it with pump equipment averages between $5,000 and $7,000, at the time of publication.
305 ft water well. 20 ft casing, 300 ft liner............................................................$3,892.00. 405 ft water well. 20 ft casing, 400 ft liner............................................................$5,117.00. *a well liner is optional but is recommended for most wells.