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Offline Goldminer
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« Reply #10 on: January 09, 2007, 01:56:45 pm »
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This might be of some interest. Back in the late sixties, a few members of my salvage company heard of a possible treasure buried in the upper Keys area of south Florida. They found the area, and searching with a two-box detector, located an anomaly in a swampy area adjacent to a beach. After digging down a couple of feet, a box was located in watery sand. The box was too heavy to dig out of the hole, so lifting equipment was sent for. While the wait continued, the box began to sink into the sand. The diggers began to frantically throw sand and water out of the hole to keep up with the sinking box. The more sand and water removed, the deeper the box went. When the lifting equipment did finally arrive, the box was too deep to touch with probes. The area was also too swampy to bring in heavy machinery, and as far as I know, that box might be in China today.
Bill

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« Reply #11 on: January 09, 2007, 02:58:09 pm »
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Hi Goldminer,
Thanks for the story, the location sounds good, for possible Treasure, also the initial depth it was buried.
Sounds like the water table increased overtime, and as soon as they started to excavate, the status quo was disturbed and the Quick-sand effect set in.
I know its' after the fact but, in construction, a coffer dam of sectional concrete manhole rings around the hole would have enabled the team to pump out or keep pace with the water.........................like you say, probably a lucky Chinaman somewhere!

Best wishes kevin.

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« Reply #12 on: January 10, 2007, 07:31:00 am »
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Quote:Posted by Goldminer
This might be of some interest. Back in the late sixties, a few members of my salvage company heard of a possible treasure buried in the upper Keys area of south Florida. They found the area, and searching with a two-box detector, located an anomaly in a swampy area adjacent to a beach. After digging down a couple of feet, a box was located in watery sand. The box was too heavy to dig out of the hole, so lifting equipment was sent for. While the wait continued, the box began to sink into the sand. The diggers began to frantically throw sand and water out of the hole to keep up with the sinking box. The more sand and water removed, the deeper the box went. When the lifting equipment did finally arrive, the box was too deep to touch with probes. The area was also too swampy to bring in heavy machinery, and as far as I know, that box might be in China today.
Bill


The same thing happened in Missouri in the late 50's. An attempt was made to recover a supposed "knights of the golden circle" cache from a site near a river. They brought in all kinds of heavy equipment but the sides kept caving in and they couldn't pump the water out fast enough. It was in sandy soil - typical for  the area. They had to give up after countless attempts

Steve.

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« Reply #13 on: January 11, 2007, 05:36:08 pm »
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A heavy cache of gold for instance might settle a few inches near a river bank.  The same cache buried in the high desert won't settle any.  In soft sandy soil it will settle a little more every time it rains hard or for a long period.  That same cache in red clay soil such is in many states would not settle much at all.  If the hider buried the cache in soft soil, but placed a large flat rock below the cache, then it wouldn't settle that much or if the cache was buried in rocky soil, it wouldn't settle much.  So you see, there are too many variables to consider when searching for any cache.   I won't go into how much overburden is covering the bedrock.  That's just another factor to consider.  How far a cache will settle sounds like a simple question with a simple answer, but actually it is not.  I guess that's what makes cache hunting such a long shot.   But that also seperates the haves from the have-nots.   Wink

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« Reply #14 on: January 26, 2009, 01:00:15 pm »
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I would have to agree that how far it will settle, depends on the soil it is buried in.

This holds true for coins as well, the older the coin the deeper it may be.

Earl

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« Reply #15 on: January 26, 2009, 07:04:23 pm »
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I wonder if this holds true here up north where you have the freeze & thaw cycle.
In some areas the 'frost line' might be close to 3 feet. An old timer told me that
anything in the ground will constantly be moving up & down after each freeze &
the thaw in the spring. I can't guarantee it, but I have found some fairly newer
coins inches deeper than some older ones. What do you think?

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« Reply #16 on: January 27, 2009, 04:29:11 am »
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Gravity, anything heavy will settle until something firm is reached. With the ground breaking down because of the freeze thaw cycle it makes it easier for heavy objects to settle some more. Here in the mountains every time it thunders it goes down anther inch. If old items are above new items than the ground has been disturbed, plowing, digging by man/animals, water flow or the old items were lost after the new ones. If your old timer was right then there would be no geological record of historical layers, just a random mixture of everything going up and down before it eventually covered over by yet more debris. I have found things that have popped out of the ground though after a freeze, so this would confirm the lifting at the surface anyway. I like the old timers theory though, because if you wait a few years even sites that are heavily detected out will have more coins after they are lifted up by the freeze.




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« Reply #17 on: March 14, 2009, 03:19:52 pm »
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here in  vt i find that to be true also  we go back each year to find more coins that come up with plowing and the frost = dp swing

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« Reply #18 on: May 06, 2009, 06:41:28 am »
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 Rider  small cache s  and coins do sink, but the soil does have a n impact.  Here in southeastern Ohio we have a dirt/clay soil , so things  dont settle as much.. coins 100+ years old usually are 6" or less.   small caches , 1gallon or less, are usually 24" or less.  i would imagine sandy areas , fl,ga and so on do settle much more. 

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« Reply #19 on: May 08, 2009, 05:25:26 pm »
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I believe that the freeze & thaw cycle here in the north does constantly cause some soil upheaval, and because of that
not everything just works itself deeper & deeper. Possibly anything intentionally buried below that 3 foot frost level might
work itself deeper, lost objects might just stay within that freeze & thaw zone of soil.  My humble opinion.

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