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Treasure Hunting & Metal Detecting Forum Message Boards - Detector Hunter Whites Minelab Tesoro XP > Treasure Hunting > Shipwrecks & Sunken Treasure (Moderators: salvor6, Cornelius) >

First time t-hunt in water. Suggestions?

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	First time t-hunt in water. Suggestions? « on: October 23, 2009, 10:29:27 pm »

After researching this site as best as I could, I've decided it's worth the time and money to scour.

Water type: brackish
Depth: 12 to 14 feet
Bottom conditions: silt
Potential target: sunken wooden barge with metallic items
Probable age of target: 200 years

Question:
A few hundred years worth of silting could amount to a rather thick layer. Would a boat-towed magnetometer be overkill for this site or would it be preferable vis-a-vis a hand-held PI detector?

Any hints and tips for a first-timer hunting underwater would be appreciated.

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	Re: First time t-hunt in water. Suggestions? « Reply #1 on: October 23, 2009, 11:54:48 pm »

Your MAG will be above the silt layer, but it will need a bigger target to register a hit. Your PI detector will find the smaller targets , but it will be hours before you might ever see it, or dig for it. Too bad your could not use a ground penatrating radar and pound right through the silt with out disturbing it. Use what you got and make the best of it.

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	Re: First time t-hunt in water. Suggestions? « Reply #2 on: November 04, 2009, 09:53:02 pm »

I'm discovering that a water-hunt presents different problems and logistical needs from a land-based hunt. Detectors and boats may be bought/rented; dive buddies can be found, but after talking to a few fishermen from that area it seems that there's a few old crocs that roam around there. Is there such a thing as crocodile repellent?

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	Re: First time t-hunt in water. Suggestions? « Reply #3 on: November 04, 2009, 10:16:47 pm »

Once in the water you will never see them coming in enough time to do anything but crap your pants. Do some scouting around and see if there really are crocs or are they just trying to keep you out. If there are crocs I highly recommend 44 magnum or H&K 308.

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	Re: First time t-hunt in water. Suggestions? « Reply #4 on: November 04, 2009, 11:12:02 pm »

Quite the opposite, in fact. The village will have a share in any recoveries, and it seems they were trying hard not to mention crocs. One of the questions in my mind was: if this site's history is so positive in terms of treasure, and the village headman so cooperative and eager for recovery work to start, why hasn't anyone gone and done it before?

A quick call to the wildlife dept answered that question. Croc population has been increasing there, and I was advised to not enter the water if not necessary. I'm gonna have to do some hard thinking here.

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	Re: First time t-hunt in water. Suggestions? « Reply #5 on: November 05, 2009, 07:06:48 am »

What kind of funding do you have? I have read about salvors using a clamshell to dig the bottom and hoist the diggings to a barge. I know from reading that this has been done in water as deep as 300 feet. You could put out floats at every Mag hit and the decide from there where you want to dig. "Now listen closely" If your gutt says do not dive, then do not dive! It is a coward that asks a man to do something he would not do himself. You take care of yourself first. Treasure hunters are a rear breed and we need them all. Best of luck friend.

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	Re: First time t-hunt in water. Suggestions? « Reply #6 on: November 05, 2009, 10:18:00 am »

For myself, I would have to know what types of finds could potentially be down there on the barge. Do you know what it was carrying? Does the potential benefit outweigh the risk to life and limb? (Will you retreive enough goods to pay the E.R. bill to reattatch your severed body parts after the croc attack?) These are the questions I would be asking myself... Undecided

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	Re: First time t-hunt in water. Suggestions? « Reply #7 on: November 05, 2009, 11:08:09 am »

why dont you build yourself a coffer dam and pump the water out thats the easy way out

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	Re: First time t-hunt in water. Suggestions? « Reply #8 on: November 05, 2009, 11:36:39 am »

assuming you would not become a "hazard" to navigation, I think Alan's suggestion is a very good one. Coffer dams are proven low tech/ relatively low cost solutions.

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	Re: First time t-hunt in water. Suggestions? « Reply #9 on: November 06, 2009, 08:47:34 am »

My profound thanks to SVBerry and Allen Hassel for their very good suggestions! I think the better way to go would be to use a barge-mounted dredger or a cofferdam. The actual method(s) used will be depending on the mag hits and other logistics, such as traffic hazard as pointed out by the astute BitburgAggie_7377.

I don't mind saying that thinking of this site has cost me a few night's good sleep, BackAtcha. Any serious injury at that place would probably mean certain death, due to the lack of nearby medical facilities, and medivac choppers are but a dream.

It's funny how one can grow more cautious as one ages. Back in my timber days of yore, we'd think nothing of jumping into the water to hammer in metal pegs to peropok logs, and raft them down to the timber yards. But them again that was a period where wild croc populations were declining. My thanks again to all who responded!

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