By Bob Cornett
The western half of the North American continent contained a million square miles in 1800, all unknown to the U.S. citizens in the eastern half. For expansion westward, maps and handbooks were needed. We know there were more than 40 major surveys and mapping reports from the time of Lewis and Clark (1804-1806) up to the General Land Office surveys of the late 1850s. Americans believed that it was their God-given right to settle the West (Manifest Destiny), and the path had to be cleared.
Read More