A group of twenty-four mineral claims were located near St. Joseph's Mission, southeast of Williams Lake.

During 1941, the British Columbia Magnesium Co. Ltd. drill tested a ridge of serpentinized rock within the Cache Creek Group. A total of 366 metres of diamond drill- ing confirmed serpentinite over an area greater than 900 by 1375 metres and to a depth of at least 60 metres. The extent and grade of the magnesian carbonate alteration is not reported.