historic aerials errors
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Thread: historic aerials errors

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  1. #1
    Jan 2018
    North Atlanta
    Equinox 800, 6" coil, stock coil, 15" coil, ProFind-35 pinpointer, Simplex, Vanquish 540. sold: AT Pro with stock coil, Nel Thunder, Garrett 5" x 8" coil, Garrett Carrot, Simplex. Author of "The
    1042 times
    Relic Hunting

    historic aerials errors

    I have been using historic aerials to locate old buildings.

    I notice a error on some maps of 100 -200 feet between the location of a building on the aerial photo and the location on the topo map. Which do you think is more correct the aerial photo or the top map building location.
    Kray Gelder likes this.

  2. #2
    Charter Member

    Feb 2017
    Georgetown, SC
    Fisher F75
    9720 times
    Metal Detecting
    I'd definitely go with the aerial photo. Unless it's possible the building shown on the map predates the photo. Then you would have two sites.
    Icewing, bologna321 and RustyGold like this.

    "And so the population was gradually led into the demoralising temptations of arcades, baths, and sumptuous banquets. The unsuspecting Britons spoke of such novelties as 'civilisation', when in fact they were only a feature of their enslavement." Tacitus, Roman Senator and Historian, written AD 98.

    The Bald Eagle photo...he/she posed for me, gave me it's best American look. I felt privileged to get the shot.

  3. #3
    Jan 2016
    NW Arcanslaw / SW Misery
    Minelab X-Terra 705 Gold / Garrett PropointerAT.
    5369 times
    All Types Of Treasure Hunting
    It's not uncommon for old hand drawn topo maps to be off just a bit.
    bologna321 and Kray Gelder like this.
    “During the gold rush its a good time to be in the pick and shovel business.” Mark Twain

  4. #4

    Dec 2003
    Porter Township, Western Schuylkill County, Pa.
    2 MINELAB EXPLORER SE PRO's .......3 Garrett Pro Pointers…… Sovereign XS-2 Pro ....... 2 Sovereign GT's
    39648 times
    All Types Of Treasure Hunting
    Honorable Mentions (1)
    LOL a Picture is worth a Thousand Words

    and Unimpeachable compared to a Drawing or Memory.

    (If you ever snap a Photograph of a Person Sitting on a Bench,
    & When you download it, the person is standing beside the Bench,
    It's definitely time to see a Doctor about memory issues)

    If a building appears to have Moved, maybe it did.
    at least around here a Few 1 room School Houses that were Built of wood,
    Have been Purchased & Moved.

    It's more then likely the Roads Moved, or your looking at the Wrong Building,
    if the topo is off.

    there is one other option I Can think of . The Map maker used Word of Mouth on where the Buildings in certain areas were. or because travel by horse or foot turned them around and left became right.

    ever drive the boodocks Winding Roads . come to a cross road.

    and have a hard time Figuring North From South.
    & Ultimately choose the Wrong one ?

    Before Aerials, Topos were Drawn by Foot, Horse, or Word of Mouth.
    and of course guesstimates on where the buildings etc should appear on the maps
    Last edited by jeff of pa; Dec 03, 2018 at 11:56 AM.
    RustyGold, SD51 and Kray Gelder like this.

  5. #5
    Mar 2015
    Bodymore, Metalland
    Minelab Excal, Safari, Garrett infinium, Whites prizm 4
    1648 times
    All Types Of Treasure Hunting
    Banner Finds (1)
    Yep 200 ft isn't too bad you know you're close. Its rare they are dead on accurate. I just look at the topo ground features (which also change over time) for a little drainage, bluff crossroads or something to get me oriented. Then I find the bricks, pottery, glass, oyster shells and presto. You're there. Heck I often find the older out buildings by accident looking for the main site.
    jeff of pa and RustyGold like this.

  6. #6
    Charter Member
    Aug 2013
    Southern California
    Equinox 800 / XP Deus
    9476 times
    I agree aerial map is more accurate. Good luck

    “Strive not to be a success, but rather to be of value.”
    – Albert Einstein



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