Coordinates of region boundaries

• West:
  (11,19) (11,60) (28,87) (59,101) (90,99) (86,20) (12,18)

• Midwest:
  (87,19) (89,75) (140,78) (159,65) (164,71) (172,61) (172,53) (157,19) (140,16) (86,19)

• South:
  (91,77) (91,101) (75,101) (111,128) (125,108) (134,114) (149,109) (168,134) (182,129) (170,105) (193,80) (184,65) (171,75) (159,66) (141,79) (93,77)

• Northeast:
  (216,25) (224,38) (213,48) (211,61) (198,61) (193,75) (184,63) (171,73) (167,68) (175,57) (172,51) (195,34) (205,34) (214,24)