Topographic Abney level (English Wikipedia)

Analysis of information sources in references of the Wikipedia article "Topographic Abney level" in English language version.

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archive.org

William J. Paeth, Obtaining Vertical Control of Practical Value with the Abney Hand Level, Forestry Quarterly, Vol. XXII, No. 3 (Sept. 1914); page 347.
M. L. Erickson, The Use of the Abney Hand Level, Forestry Quarterly, Vol. XXII, No. 3 (Sept. 1914); page 370.
C. R. Anderson, The Abney Hand Level and the Chain on Intensive Forest Surveys, Forestry Quarterly, Vol. XIII, No. 3 (Sept. 1915); page 338.

books.google.com

Smaller Instruments and Appliances: The Abney Level and Clinometer, A Manual of the Principal Instruments used in American Engineering and Surveying, W. & L. E. Gurley, Troy, NY, 1891; page 219.
George William Usill, Clinometers: The Abney Level, Practical Surveying, Crosby Lockwood and Son, London, 1889; page 33.
H. A. Calkins and J. B. Yule, The Abney Level Handbook, United States Forest Service, 1927.
Combined Clinometer and Spirit Level, The Mechanics Magazine, Dec. 30, 1870; page 476.
Admiral Sir George Back, Vice-Admiral Richard Collinson, and Francis Galton, Hints to Travellers (Third and Revised Edition), Proceedings of the Royal Geographical Society, Vol. XVI, No. 1 (Dec. 18, 1871).

byu.edu

geology.byu.edu

Lee Piekarsk, Relative Age Determination of Quaternary Fault Scarps along the Southern Wasatch, Fish Springs, and House Ranges, Utah, Brigham Young University Geology Studies Archived 2015-01-07 at the Wayback Machine, Vol. 27, Part 2 (Nov. 1980); pages 123-139, particularly page 124.

hills-database.co.uk

John Barnard and Graham Jackson, Using an Abney level to measure relative heights. Includes calibration techniques.

msha.gov

Chapter 4: Grades, Haul Road Inspection Handbook, MSHA Handbook Number PH99-I-4, U.S. Mine Safety and Health Administration, June 1, 1999.

texastreetrails.org

The Abney Level, Texas Tree Trails, Sept. 7, 2008.

ucsc.edu

es.ucsc.edu

William C. Clyde, Suyin Ting, Kathryn E. Snell, et al., New Paleomagnetic and Stable-Isotope Results from the Nanxiong Basin, China, The Journal of Geology, Vol 118 (2010); pages 131–143, particularly page 134.

usgs.gov

pubs.usgs.gov

George O. Bachman and Donald A. Myers, Geology of the Bear Peak Area Dona Ana County New Mexico, Geological Survey Bulletin 1271-C, 1969; see page C3.

web.archive.org

Lee Piekarsk, Relative Age Determination of Quaternary Fault Scarps along the Southern Wasatch, Fish Springs, and House Ranges, Utah, Brigham Young University Geology Studies Archived 2015-01-07 at the Wayback Machine, Vol. 27, Part 2 (Nov. 1980); pages 123-139, particularly page 124.