From: Land tenure and landscape change: a comparison of public-private lands in the southern High Plains
 | Cimarron | Union | ||||
Countywide | ||||||
 Land cover ha (%) | 1992 | 2011 | Change | 1992 | 2011 | Change |
  Herbaceous | 365,206 (75.95) | 327,184 (68.04) | 38,022 (−10.41) | 849,754 (85.90) | 786,405 (79.50) | 63,349 (−7.45) |
  Cultivation | 101,924 (21.20) | 101,800 (20.66) | 124 (−0.12) | 29,577 (2.99) | 30,908 (3.12) | 1311 (−4.50) |
  Shrubland | 5218 (1.09) | 38,159 (7.94) | 32,941 (631.28) | 51,478 (5.20) | 104,955 (10.61) | 53,477 (103.88) |
  Forest | 363 (0.08) | 362 (0.08) | 1 (−0.12) | 51,570 (5.21) | 56,220 (5.99) | 4650 (9.01) |
State Trust Lands | ||||||
 Land cover ha (%) | 1992 | 2011 | Change | 1992 | 2011 | Change |
  Herbaceous | 93,608 (96.69) | 76,921 (79.45) | 16,687 (−17.83) | 148,510 (84.02) | 133,585 (75.57) | 14,925 (−10.05) |
  Cultivation | 1769 (1.83) | 1593 (1.65) | 175 (−9.9) | 1214 (0.69) | 1096 (0.62) | 118 (−9.67) |
  Shrubland | 749 (0.77) | 17,422 (18.02) | 16,673 (2226) | 11,220 (6.35) | 24,418 (13.81) | 13,198 (117.64) |
  Forest | 199 (0.21) | 199 (0.21) | 0 (0) | 15,134 (8.56) | 16,864 (9.54) | 1730 (−11.43) |
Federal lands | ||||||
 Land cover ha (%) | 1992 | 2011 | Change | 1992 | 2011 | Change |
  Herbaceous | 5878 (97.64) | 5773 (95.90) | 105 (−1.78) | 22,116 (93.39) | 21,968 (92.76) | 149 (−0.67) |
  Cultivation | 102 (1.69) | 105 (1.75) | 3 (3.36) | 269 (1.14) | 285 (1.20) | 16 (5.95) |
  Shrubland | 0 (0) | 3 (0.05) | 3 (n/a) | 857 (3.62) | 963 (4.07) | 106 (12.35) |
  Forest | 0 (0) | 0 (0) | 0 (0) | 249 (1.05) | 241 (1.02) | 8 (−3.32) |
Private lands | ||||||
 Land cover ha (%) | 1992 | 2011 | Change | 1992 | 2011 | Change |
  Herbaceous | 271,421 (70.75) | 248,224 (64.70) | 23,197 (−8.55) | 680,958 (86.05) | 632,434 (79.92) | 48,524 (−7.12) |
  Cultivation | 100,033 (26.08) | 100,084 (26.08) | 51 (0.05) | 28,093 (3.55) | 29,524 (3.73) | 1431 (5.09) |
  Shrubland | 4460 (1.16) | 22,653 (5.90) | 15,193 (407.92) | 39,607 (5.00) | 80,014 (10.11) | 40,407 (102.02) |
  Forest | 139 (0.04) | 138 (0.04) | 1 (0.65) | 36,737 (4.64) | 42,678 (5.39) | 5941 (16.17) |