Field Notebook: WY, MT 1997
Page 65
Image from the Biodiversity Heritage Library. Contributed by Yale Peabody Museum of Natural History. | www.biodiversitylibrary.org
Transcription
TABLE II. STADIA CORRECTION AND HORIZONTAL DISTANCES STADIA REDUCTIONS FOR READING 100 Vertical Angle Horizontal Correction Difference in Elevation Vertical Angle Horizontal Correction Difference in Elevation 2°-00' 0.1 3.5 18°-30' 10.1 30.1 3°-00' 0.3 5.3 19°-00' 10.6 30.8 4°-00' 0.5 7.0 19°-30' 11.2 31.5 5°-00' 0.8 8.7 20°-00' 11.7 32.1 6°-00' 1.1 10.4 20°-30' 12.3 32.8 7°-00' 1.5 12.1 21°-00' 12.8 33.5 8°-00' 1.9 13.8 21°-30' 13.4 34.1 9°-00' 2.5 15.5 22°-00' 14.0 34.7 10°-00' 3.0 17.10 22°-30' 14.7 35.4 10°-30' 3.3 17.9 23°-00' 15.3 36.0 11°-00' 3.6 18.7 23°-30' 15.9 36.6 11°-30' 4.0 19.5 24°-00' 16.5 37.2 12°-00' 4.3 20.3 24°-30' 17.2 37.7 12°-30' 4.7 21.1 25°-00' 17.9 38.3 13°-00' 5.1 21.9 25°-30' 18.6 39.0 13°-30' 5.5 22.7 26°-00' 19.2 39.4 14°-00' 5.9 23.4 26°-30' 19.9 39.9 14°-30' 6.3 24.2 27°-00' 20.6 40.5 15°-00' 6.7 25.0 27°-30' 21.3 41.0 15°-30' 7.2 25.8 28°-00' 22.0 42.0 16°-00' 7.6 26.5 28°-30' 22.8 41.9 16°-30' 8.1 27.2 29°-00' 23.5 42.4 17°-00' 8.5 28.0 29°-30' 24.3 42.9 17°-30' 9.0 28.7 30°-00' 25.0 43.3 Chains to Feet Feet to Chains 1 ......... 66 100 .... 1.515 2 ........ 132 200 .... 3.030 3 ........ 198 300 .... 4.545 4 ........ 264 400 .... 6.060 5 ........ 330 500 .... 7.575 6 ........ 396 600 .... 9.090 7 ........ 462 700 .... 10.606 8 ........ 528 800 .... 12.121 9 ........ 594 900 .... 13.636 10 ....... 660 1,000 ... 15.151