Township	Range	Section	State	County	a section contains 640 acres, a half section contains 320 acres, a quarter section contains 160 acres, a half of a quarter contains 80 acres, a quarter of a quarter contains 40 acres, etc.

NW of NW                                NE of NW	NW of NE                                  NE of NE
SW of NW                                 SE of NW	SW of NE                                SE of NE

NW of SW                                 NE of SW	NW of SE                                NE of SE
SW of SW                                   SE of SW	SW of SE                                 SE of SE