Tests of Pocket Gophers Gnawing Electric Cables

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Abstract
Pocket gophers (Thomomys) do not attack underground cables because the materials are attractive or have food value. The damage seems to result from an animal''s efforts to remove an obstruction to his tunneling activity or to wear down rapidly growing incisors. Gophers gnawed through all non-metallic armored cables and those of soft metallic armor such as lead and .005-inch copper. Inclusion of poisons or repellents in insulations is neither practical nor effective.

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