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freezing? :| But then... with the warming of boxes you will win some droplets of water on specimens... and then.. fungi attacks.
I think that using silica gel or artsorb and a zip.lock bag will do the thing.

UTM - Universal Transverse Mercator coordinate system
http://en.wikiped...ate_system

"A position on the Earth is referenced in the UTM system by the UTM longitude zone, and the easting and northing coordinate pair. The easting is the projected distance of the position from the central meridian, while the northing is the projected distance of the point from the equator. The point of origin of each UTM zone is the intersection of the equator and the zone's central meridian. In order to avoid dealing with negative numbers, the central meridian of each zone is given a "false easting" value of 500,000 meters. Thus, anything west of the central meridian will have an easting less than 500,000 meters. For example, UTM eastings range from 167,000 meters to 833,000 meters at the equator (these ranges narrow towards the poles). In the northern hemisphere, positions are measured northward from the equator, which has an initial "northing" value of 0 meters and a maximum "northing" value of approximately 9,328,000 meters at the 84th parallel -- the maximum northern extent of the UTM zones. In the southern hemisphere, northings decrease as you go southward from the equator, which is given a "false northing" of 10,000,000 meters so that no point within the zone has a negative northing value.

As an example, the CN Tower is located at the geographic position [show location on an interactive map] 43?38r42;33.24r43;N, 79?23r42;13.7r43;W. This is in longitude zone 17, and the grid position is 630084m east, 4833438m north." IN wikiepdia.

I use this system. For example, for some flies I caught here the UTM coordinates are in the form: NE8989 ... Almost the same than yours: SU616796 :D This is UTM coordinate and we seem them in military grid reference system. I have some (this region and around) and they are very, very good. Remember we have and had the best for cartography. ::) -- Discoveries Odyssey: Glory of the Empire! In that far times, we had great cartopgraphers and still we have great cartographers that made one of the best military maps. ;) They use an UTM grid system, and we can see info about latitude/longitude as well.


I don't agree with the dates: we must SHOULD have a standard date if not... it is confuse! I agree that with numeral roman it turns more easy, but using entirely arabic numerals, the best format is really YYYY.MM.DD to avoid that confusion! See the example I gave. :)