1. A new map of the western parts of Virginia, Pennsylvania, Maryland and North Carolina; : comprehending the river Ohio, and all the rivers, which fall into it; part of the river Mississippi, the whole of the Illinois River, Lake Erie; part of the lakes Huron, Michigan &c. and all the country bordering on these lakes and rivers. Maps Pennsylvania State University Public content 1778. Hutchins, Thomas, 1730-1789. Scale approximately 1:1,270,000; 1 map 92 x 109 cm Ohio River Valley--Maps--Early works to 1800.