High Impedence Neutral Grounding

See,for instance, "Resistance Grounding System Basics" By Michael D. Seal, P.E., GE Senior Specification Engineer

http://www.google.co.il/url?sa=t&rct=j&q=high%20resistance%20grounding&source=web&cd=1&cad=rja&sqi=2&ved=0CBwQFjAA&url=http%3A%2F%2Fwww.geindustrial.com%2FNewsletter%2Fresistance.pdf&ei=z9-LUK2oDuLG0QWLtoHACg&usg=AFQjCNEtp2zv_bR4m-AlG1pmSmkzciEnMA

Dang! That's the book he is using in his course

_{when this question was on his test...}

_{still no luck}