North Dakota State Of--educational Technical Assistance-region 4, Geological Survey Und Campus Grand Forks, ND 58201 Phone : (701) 777-2231 Business Category Geologists Services Miscellaneous Geological Survey Po Box 8156 Grand Forks, ND 58202 Phone : (701) 777-2231 Business Category Geologists Services Miscellaneous North Dakota State Of--geological Survey Und Campus Grand Forks, ND 58201 Phone : (701) 777-2231 Business Category Government Offices-State Geologists Services Miscellaneous Government Offices State & Local Government Offices & Public Schools