SURFICIAL GEOLOGY, BEAVER AND HELGA LAKE AREAS. GM 57675, 1976. 40 pages et 1 plan. 

The uraniferous erratics located in the Beaver Lake area are derived from a zone of parallel fractures. The fractures are mineralized with uranium and barite. The erratics show the same lithology as found in the outcrops. The size of the erratics shows that the mineralized fractures are much larger in size as seen in the available outcrops. Thus it may be said with certainty that large mineralized fractures have not been located as yet.