Beaver Creek Sedimentation Survey
Summary of Cross Section Data
| Cross Section | Modern Flood Plain Sediment | Channel (Channel width not included in flood plain width) | |||
|---|---|---|---|---|---|
| Width (Feet) | End Area (Square Feet) | Average Depth (Feet) | Width (Feet) | Cross Section (Square Feet) | |
| Ranges on Main Stream (including North Fork) | |||||
| 01 | 41 | 74 | 1.80 | No channel | |
| 0B1 | 88 | 99 | 1.13 | No channel | |
| 1 | 182 | 145 | 0.80 | 43 | 140 |
| 2 | 163 | 280 | 1.72 | 16 | 30 |
| 3 | 164 | 195 | 1.19 | 14 | 20 |
| 4 | 308 | 155 | 0.50 | 27 | 75 |
| 5 | 629 | 520 | 0.83 | 25 | 55 |
| 6 | 267 | 230 | 0.86 | 27 | 95 |
| 7 | 254 | 437 | 1.72 | 41 | 138 |
| 8 | 250 | 205 | 0.82 | 41 | 155 |
| 9 | 148 | 370 | 2.50 | 50 | 125 |
| 10 | 243 | 500 | 2.06 | 27 | 80 |
| 11 | 304 | 425 | 1.40 | 22 | 50 |
| 12 | 255 | 475 | 1.86 | 45 | 100 |
| 132 | 318 | 650 | 2.04 | 52 | 160 |
| Ettrick Mill Pond | |||||
| 14 | 382 | 615 | 1.61 | 70 | 125 |
| 15 | 297 | 1085 | 3.65 | 73 | 305 |
| 16 | 261 | 610 | 2.34 | 42 | 145 |
| 17 | 567 | 1215 | 2.14 | 29 | 105 |
| 18 | 450 | 1125 | 2.50 | 88 | 230 |
| 18A | 675 | 2700 | 4.00 | 90 | 315 |
| 19 | 659 | 1650 | 2.50 | 56 | 225 |
| 20 | 589 | 1560 | 2.65 | 48 | 185 |
| 20B3 | 474 | 1838 | 3.87 | 48 | 193 |
| Lake Marinuka | |||||
| 24 | 1515 | 1700 | 1.12 | 85 | 555 |
| 25 | 1284 | 9304 | 0.72 | 71 | 435 |
| 26 | 2399 | 2620 | 1.09 | 55 | 270 |
| 26B | 2163 | 4085 | 1.89 | 55 | 240 |
| South Fork Ranges | |||||
| SF1 | 85 | 140 | 1.65 | 19 | 20 |
| SF2 | 350 | 660 | 1.89 | 5 | 5 |
| SF3 | 1296 | 1700 | 1.31 | 24 | 65 |
| SF4 | 608 | 490 | 0.81 | 39 | 90 |
| SF5 | 598 | 555 | 0.93 | 39 | 90 |
| SF6 | 303 | 220 | 0.73 | 43 | 100 |
| SF7 | 16 | 15 | 0.94 | 41 | 210 |
| SF8 | 55 | 180 | 3.27 | 45 | 115 |
| SF9 | 65 | 208 | 3.20 | 58 | 155 |
| SF10 | 169 | 165 | 0.98 | 44 | 85 |
| SF10C | 287 | 980 | 3.41 | 42 | 122 |
1 Computed but not plotted.
2 Range 13 is the same as Range 9 of the Ettrick Pond survey.
3 Range 20B is the same as Range 22 of the Lake Marinuka survey.
4 Excluding cross sectional area (180 square feet) of road crossing range line.