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SIY14.TXT
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SIY14.TXT Sources 71
Chapter 14
Sources
ASCS (Agricultural Stabilization and Conservation Service), a
federal office located in each county seat. See the local phone
book. Aerial photographs for that county. The national photo
laboratory is USDA/ASCS, POB 30010, SLC, UT 84130.
801/542-5856. You'll need the location marked on a topo or
county map for them to select the proper photos.
CAVE Inc, 1/2 Fast Road, Ritner, KY 42639. Dave Byter,
606/376-3137. Education and consulting; geology (speleology,
hydrology, chemistry), real estate (rural & remote properties,
property evaluation), computer programming (PC\ibm & Apple II).
Send your questions, comments, and complaints here. I also sell
the required compass, tape measure, etc.
Johnson Camping, Inc, Binghamton, NY 13902-1604. 800/572-8822.
Send your comments about the Ranger here. Especially tell them
what you think about their Instruction Manual.
F. Henry Sipe, 1404 Harrison Ave, Elkins WV 26241.
304/636-2465. "A Layman's Guide to Land Surveying", $5. This
little book tells you how to shop for a surveyor, and how to tell
him what you want done. Lots of information about boundary law,
deciphering land descriptions, and what a surveyor can and cannot
do for you. "Compass Land Surveying", $??. A textbook for
surveyors using a forester's compass. Very good at explaining
problem solving. Most is applicable to surveying with the Silva
Ranger. This fellow holds West Virginia Surveyor's License No
1. Tell him that Dave Byter at CAVE Inc sent you.
Timely Discount Topos, Inc, 9769 West 119th Drive, Suite 9,
Broomfield, CO 80020. (800)821-7609 & (303)469-5022 &
(303)466-3780[FAX]. Just what the name says. If you can't wait
five months for USGS, order your topo maps here. Other USGS
publications too. Tell Mary that Dave Byter at CAVE Inc sent
you.
USGS (United States Geological Survey), Topo Maps, Box 25286,
Federal Center Bldg 41, Denver, CO 80225. Topographic maps.
Request a free index map of your state. Ask for a free
"Topographic Map Symbols" pamphlet too. Very slow.
Last chance to remind you to take careful compass readings. The
precision of your compass readings is the major factor
controlling the precision of your surveying.