129
Table 2. Results of threshold classification for CP #140, #29 and #32
UNIT #29
NUMBER OF PIXELS
INSIDE MANUALLY
TRACED AREAS
CLASS A*
CLASS B**
SUB-TOTAL
LANDINGS
ROADS
SKIDROADS
211(0.26%)
2219(2.70%)
562(0.68%)
1169(1.42%)
1112(1.36%)
3260(3.97%)
1380(1.68%)
3331(4.06%)
3822(4.65%)
OUTSIDE MANUALLY
TRACED AREAS
452(0.55%)
7849(9.56%)
8301(10.11%)
SUB-TOTAL
3444(4.19%)
13390(16.31%)
16834(20.50%)
UNCLASSIFIED PIXELS
65282(79.50%)
TOTAL
82116(100.0%)
UNIT #32
NUMBER OF PIXELS
INSIDE MANUALLY
TRACED AREAS
CLASS A
CLASS B
SUB-TOTAL
LANDINGS
ROADS
SKIDROADS
443(0.57%)
4843(6.26%)
267(0.35%)
969(1.25%)
541(0.70%)
2118(2.74%)
1412(1.82%)
5384(6.96%)
2385(3.09%)
OUTSIDE MANUALLY
TRACED AREAS
388(0.50%)
9938(12.84%)
10326(13.34%)
SUB-TOTAL
5941(7.68%)
13566(17.53%)
19507(25.21%)
UNCLASSIFIED PIXELS
57886(74.79%)
TOTAL
77393(100.0%)
* "Class A" - "deeply gouged or exposed compacted mineral soil";
** "Class B" - "exposed mineral soil or possibly woody debris".