11To George Washington from Andrew Ellicott, 31 March 1796 (Washington Papers)
With this you will receive an essay designed to introduce accuracy in the execution of new surveys, and permanency to the work when executed; which from the present improved state of the Sciences, may be done with ease, and expedition, by any person properly qualified for a surveyor. The method which I have proposed, will neither require more time, nor be attended with more expense, than the...