Map c. 1960's - Index Map to Field Sections

This is an Index Map to Field Sections.  The map was prepared by M. C. Lachenbruch. -  MEASUREMENTS:  16 1/2" X 29 3/4" - CONDITION:  Good.
Abstract/Description: This is an Index Map to Field Sections. The map was prepared by M. C. Lachenbruch. - MEASUREMENTS: 16 1/2" X 29 3/4" - CONDITION: Good.