Don Casey - Dragged Aboard Storm Tactics Handbook:
Modern Methods of Heaving-To for Survival in Extreme Conditions
by Lin Pardey and Larry Pardey


      

Other books by Lin and Larry Pardey
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Re: Sextant Positions versus Map Datums?


Subject: Re: Sextant Positions versus Map Datums?
WSMurdoch@XXX.XXX
Date: Thu Jan 17 2002 - 21:11:56 EST


A source I have found useful is GEODESY FOR THE LAYMAN.

 http://www.nima.mil/GandG/geolay/toc.htm

Bill Murdoch





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