holc ant test jun96
holc east 5mar98
holc equipment 12jun97
holc north 29may96
holc north 5mar98
holc north jun96
holc northwest 12jun97
holc rx sn 12jun97
holc rx sn 30dec98
holc seismic site 12jun97
holc shack 12jun97
holc solar upgrade 16dec98
holc south 29may96
holc south 5mar98
holc west 5mar98