1 mile = 5,280 feet
1 kilometer = 0.62137 miles
1 acre = 43,560 square feet
1 acre = 160 square perches
1 perch = 16.5 feet
1 rod = 16.5 feet
1 chain = 66 feet
1 hectare = 2.47104 acres
The Earth’s magnetic pole moves an average of 6.2 miles per year.
A land surveyor locates land title lines and shows the relationship of possession and
title lines; he does not declare who has ownership of land or who has the right of
possession. Such matters are referred to attorneys.
Boundary control and Legal Principles
By Curtis M. Brown
“The problems of boundary lie at the foundation of all surveying, for one must know where a
line is—before he can measure it…..”
Boundaries and Landmarks,
A Practical Manual
By A.C. Mulford
Blazing or painting the trees on a boundary is a common form of marking lines. These must be repainted approximately every 5 years, or when needed.
Common Boundary Survey Monuments
(Left to Right)
Axle, Aluminum Monument, Iron Pipe, Iron Pin.
Carved Stone Monument