Scope and content
The report, titled "Reconnaissance of Yellowknife River and Adjacent Lakes, Great Slave Lake, N.W.T., July 1 - Sept. 7, 1928", carries the name Henry L. Smyth, Jnr. on the cover. The map is of "Yellowknife River and adjacent lakes from Yellowknife Village north to the third portage," is also dated July 1-September 7, 1928, and was drawn by Mr. Smyth. Scale 1" to 4,000 feet. The present day site of Detah is indicated on the map as being Yellowknife Village. Mineral deposits in the area have been annotated onto the map.