BE it enacted by the Legislative Council and House of Representatives of the Illinois territory, and it is hereby enacted by the authority of the same, That all that tract of country within the following boundaries, to-wit: Beginning at the mouth of the Embarras, and running with said river to the intersection of the line dividing townships number three and four, north of range eleven, west of the second principal maridian; thence west with said township line to the meridian, and due north until it strikes the line of Upper Canada; thence to the line that separates this territory from the state of Indiana, and thence south with said dividing line to the beginning, shall constitute a separate county to be called Crawford;