| U.S. Postal Service Address:
LIGO Hanford Observatory
P.O. Box 159
Richland, WA 99352-0159
Phone: 509-372-8300 ext. 267
FAX: 509-372-8137 |
FedEx & UPS Delivery Address:
LIGO Hanford Observatory
Route 10, Mile Marker 2
Richland, WA 99352-0159
Phone: 509-372-8300 ext 267
FAX: 509-372-8137 |
