According to WikiMapia:
"The Mississippi River begins the 2,340 mile journey to the Gulf of Mexico at the northern tip of Lake Itasca"
the Mississippi headwaters is a kind of thing that is located in the Mississippi river. The Headwaters of a river are it's origins. The multiplicity of small streams that converge to form the main body of the river proper.
Mississippi
Mississippi
The headwaters of the Mississippi River are in northern Minnesota, and empties into the Gulf of Mexico. The Mississippi is the fourth longest river in the world.
The source of river is known as its headwaters. In the example of the Mississippi River, its headwaters is Lake Itasca in Minnesota.
The headwaters of the Mississippi River are located at Lake Itasca in northern Minnesota.
The Missouri River is 1st at 2540 miles. The Mississippi River is 2nd at 2340 miles.
So, the impact of the Proclamation of 1763 was to set Georgiaβs official southern boundary as the St. Marys River from its mouth to the headwaters, then north to the Altamaha River, then north to the headwaters of that river, and then westward to the Mississippi River.
It's definitely possible at the (man-made) rapids at the headwaters of the Mississippi where it emerges from Lake Itasca.
Mississippi Headwaters State Forest was created in 1935.
The origin of the Mississippi River is Lake Itasca, in Minnesota. The origin of a river is also called its headwaters.
The area of Mississippi Headwaters State Forest is 183.282 square kilometers.