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COMPARISON OF DOWNCUTTING <br />FOR PG 31-1A and 31-1B <br />SEC. B & C SEC. A & B <br />(APPLIES TO BLOCK C) <br />1992 1993 1994 <br />AVERAGE <br />DOWNCUTTING PG31-1A <br />(INCHES) sec. b (600') 5.08 <br />(from SP31-h <br />• to SP31-f) <br />sec. c (1300') 6.79 <br />(from SP31-f <br />to top of PG31-1A) <br />PG31-1B <br />sec. a (1400) 8.85 <br />(from junction with PG31-1A <br />to SP31-g) <br />sec. b (1400) <br />(from SP31-g <br />to SP31-c) <br />4.50 <br />9.08 <br />8.89 <br />13.10 14.25 <br />TOTAL <br />1995 DOWNCUTTING <br />(INCHES) <br />7.00 7.33 +2.25 <br />9.73 13.69 +6.90 <br />8.25 7.61 <br />13.14 13.57 <br />-1.24 <br />+0.47 <br />These numbers do not indicate significant erosion. Information from the Annual Permanant Gully Report <br />show PG31-1A and 31-1 B to be a fully vegetated, established drainageways. <br />