A Colorful Confluence in the Canadian Arctic

The Back and Hayes rivers in Nunavut, Canada, display a striking contrast in color.

YORK FACTORY EXPRESS JOURNAL, 1849:
"Before 4pm we overtook the Oxford House boat and arrived at the Above place #OxfordHouseMB about half an hour before them, where we put ashore and had dinner given us by Mr. Robertson.
"Sunday. Made two Portages before breakfast, the Knife Handled Place and Trout Fall. Had two hours sail in the evening. Put ashore for the night almost at the end of Knee Lake, which Mr. Sinclair informs me is 60 miles in length. #HistoricJourney #HayesRiver #AmWritingHistory
YORK FACTORY EXPRESS JOURNAL, 1849:
"Came up with Messrs Rowand and Harriott at Robinson's Porage, which is computed to be about 3/4 of a mile in length.We left the portage at half past twelve and about an hour afterwards were across the Mountain Portage #HayesRiver
"Saturday. Overtook Peter Calder this morning with his brigade at [blank] Portage. After breakfast we came up with the Lac La Pluie #RainyLake Brigade and before 4 pm overtook the Oxford House boat.... #MBHistory #HistoricJourney
YORK FACTORY EXPRESS JOURNAL, 1849:
"Overtook Peter Calder this morning, with his brigade at [blank] Portage. After breakfast we came up with the Lac La Pluie Brigades and before 4 pm overtook the Oxford House boat, and arrived at the Above place about half an hour before them, where we put ashore and had dinner given us by Mr. Robertson.
"July 1st. Made two Portages before breakfast, the Knife Handled Place and Trout Fall. Had two hours sail in the evening. Put ashore... #HayesRiver #History