
Sketch map of sources of Thompson, Raush and Azure rivers in the Cariboo Range, B.C.
Raymond T. Zillmer 1939
Canadian Alpine Journal 1939

Sketch map of McLennan River and Canoe River
By Joel Nord and Raymond T. Zillmer 1946.
Canadian Alpine Journal 1947

Sketch map Cariboo Range
Raymond T. Zillmer, 1947
Canadian Alpine Journal 1948
References:
- Zillmer, Raymond T. [1887–1960]. “Explorations in the Southern Cariboos.” Canadian Alpine Journal, Vol. 27 (1939):48-61. Alpine Club of Canada
- Zillmer, Raymond T. [1887–1960]. “Exploration of the McLennan completed.” Canadian Alpine Journal, Vol. 30 (1947):85-95. Alpine Club of Canada
- Zillmer, Raymond T. [1887–1960]. “The first crossing of the Cariboo Range.” Canadian Alpine Journal, Vol. 31 (1948):26–37. Alpine Club of Canada
Also see: