Surveyor

Founding fathers

Meander Virginia

Western expansion

Frontier settled with order

Zenith, sector

William Clark was a surveyor

Sleep in trees

Chain mounted surveyor

Ranging transit

Chain, by chain, by chain, by chain, by

Four rods, 22 yards

One cricket pitch

Four rods, 22 yards

80 per mile

Four rods, 22 yards

60 foot six

Four rods, 22 yards

Gunter's chain

Zenith, sector

All of them surveyors

"The want of accurate Maps of the Country which has hitherto been the Scene of War, has been a great disadvantage to me. I have in vain endeavored to procure them and have been obliged to make shift, with such sketches as I could trace from my own Observations . . . ."

- G. Washington