Depth

10 Ac.

20 Ac.

40 Ac.

0 - 1,000

18

28

1,000 - 1,500

27

37

57

1,500 - 2,000

36

46

66

2,000 - 3,000

45

55

75

3,000 - 4,000

54

64

84

4,000 - 5,000

63

73

93

5,000 - 6,000

72

82

102

6,000 - 7,000

81

91

111

7,000 - 8,000

91

101

121

8,000 - 8,500

103

113

133

8,500 - 9,000

112

122

142

9,000 - 9,500

127

137

157

9,500 - 10,000

152

162

182

10,000 - 10,500

190

210

230

10,500 - 11,000

225

245

11,000 - 11,500

255

275

11,500 - 12,000

290

310

12,000 - 12,500

330

350

12,500 - 13,000

375

395

13,000 - 13,500

425

445

13,500 - 14,000

480

500

14,000 - 14,500

540

560