Artist unknown... We know the date and the name, but not the exact location though it would be correct for the future site of St. Boniface Cathedral by the title, the date, the river bank, the bend of the trees (prevailing north wind), the casting shadows (south-west sun) and of course, a sketch of a location worthy of being drawn. Could it lie just south of the future convent?
The sketch originates from a Métis journal. [Enlarge]

In 1818, having crossed the wilderness from Lower Canada, Father Joseph-Norbert Provencher built on this site a small log chapel which he dedicated on November 1 to Saint Boniface the English missionary monk and apostle, who spread the      

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Catholic faith among the Germanic tribes in the 8th century.
The use of the name of a German apostle arose from the fact that among the des Meurons Regiment brought to the Red River Settlement by Lord Selkirk the previous year to help restore order, there were German and Swiss soldiers who had been given land along the Seine River one mile east of the mission.
St. Boniface, the first permanent mission west of the Great Lakes, became the heart of Roman Catholic missionary activity extending to the Pacific and Arctic coasts, as well as serving the growing population of the Red River Settlement.