What places did Rene-Robert explored in America

March 19, 1687, near Brazos River [now in Texas, U.S.]), French explorer in North America, who led an expedition down the Illinois and Mississippi rivers and claimed all the region watered by the Mississippi
I got this off of google...

La Salle traveled from France to Quebec, New France (Canada), in late 1667. He was determined to find a water passage to the east through North America. Leaving Montreal in July, 1669, La Salle crossed Lake Ontario, Lake Erie, and other places which are not documented (he did not return to Montreal until late 1670, and may have traveled down the Ohio or Mississippi River).

Can you put the letters