U.S. Department of the Interior
DIRK KEMPTHORNE, Secretary

U.S. Geological Survey
P. Patrick Leahy, Acting Director

U.S. Geological Survey, Denver, Colorado, 2006

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¹U.S. Geological Survey, MS 939, Box 25046, Denver, CO 80225
²U.S. Geological Survey, MS 913, Box 25046, Denver, CO 80225
³U.S. Geological Survey, MS 977, Box 25046, Denver, CO 80225
⁴Afghanistan Ministry of Mines and Industry, Joint Oil and Gas Resource Assessment Team, Kabul, Afghanistan
⁵Afghanistan Ministry of Mines and Industry, Joint Oil and Gas Resource Assessment Team, Sheberghan, Afghanistan
⁶Contractor to the U.S. Geological Survey, MS 939, Box 25046, Denver, CO 80225