Principal Meridians and Base Lines


Map of Principal Meridians and Base Lines

Principal Meridians and Base Lines (1968 edition) 


California and Nevada Oregon and Washington Idaho Utah Detail Arizona Montana Detail 6th Principal Meridian Detail 5th Principal Meridian Detail - North 5th Principal Meridian Detail - South Oklahoma Detail Michigan Wisconsin Detail Illinois, Indiana, and Ohio detail Alabama, Louisian, Mississippi Florida Detail Alaska detail New Mexico Map of Principal Meridians and Base Lines

Viewing Directions

Mouse over an area you are interested in viewing an enlargement. State names of the key regions will appear. Click on the area to launch a new window which will display the enlargement.

 Download Maps

Principal Meridian Map

Principal Meridian Map (1968 edition)