surveying

Uses of Surveys
1. The earliest surveys known were for earliest surveys known were for
the purpose the purpose of establishing establishing boundaries boundaries
of land.
22 Sample Property/Boundary Lines
Sample Political Boundaries
2. The fixing of national and state boundaries.
23
Sample Disputed International Territories
3. The charting of coastlines and
navigable streams and lakes.
Old & New Charts of Lake Michigan
24
4. The precise location of definite reference
points throughout the country.
25
Sample Reference Monuments
Adjoining Lots Common Points (Mohon)
26
5. The collection of valuable facts concerning
the earth’s magnetism at widely scattered
stations.
27
Sample Magnetic Map
Sample Gravity Measurement and Map
6. The establishment and observation of a
greater network of gravity stations
throughout the country.
2