Crooked Falls, Missouri River, North Dakota, United States (Google Maps ⧉, OpenStreetMap ⧉)

Referenced In

"after which to the mouth of Portage creek, a distance of one hundred and two poles it again is precipitated down the Crooked falls of nineteen feet perpendicular;"

"…then south 66° west three miles, crossing at the beginning of the course the head of a drain which falls into the Missouri at the Crooked Falls, and reaching an elevated point of the plain…"