San Diego County aerial photos are fabulous. Besides historic
sites/features, they often show out of place plantings and contours that
don't jibe with natural formations. I highly recommend you use yours.
S. Walter
-----Original Message-----
From: LINDA K DERRY
Sent: Wednesday, August 12, 2020 9:44 AM
To: [log in to unmask]
Subject: Re: Old Aerial Photo's worth looking?
Kris R. Oswald,
I have used old aerial photographs quite a bit and found them useful. My
source was the local or regional offices of the Natural Resource
Conservation Service - who used to be known as the Soil Conservation
Service. They apparently have been taking aerial photographs for nearly
a century as a way to document land use and their farmland programs (the
earliest in our area is 1937). These photos are especially helpful for
my area because lots and lots of farm fields are now planted in timber or
the woods was allowed to reclaim after the fields were abandoned. (and
since I'm dealing with antebellum sites, it helps me even more because
settlement patterns have changed, many roads have been abandoned, and
many structures have rotted away and graveyards have been left untended.)
However, I found that many archaeological sites were located on a sandy
ridge in the floodplain, which in the 20th century, was placed in "set back
cotton," - meaning it was a high dry ridge that was not plowed or
planted. So, it is very hard to spot the archaeological sites there in
the aerial photos. I guess people want their habitation sites on the high
dry land, whereas the farmers wanted the less dry land for their cotton and
other crops.
Linda Derry
Site Director, Old Cahawba Archaeological Park
Alabama Historical Commission
9518 Cahaba Road, Orrville, AL 36767
park: 334/ 875-2529
[log in to unmask]
On Wed, Aug 12, 2020 at 10:30 AM <[log in to unmask]> wrote:
> Hello all,
> I just got word of a site that offers a series of dated Aerial photos.
> I am working a late fur trade site so I purchased one ,in hopes of
> picking out old features
> that are documented in the historical record .
> has any one used this type of imagry with success?
> I have no access to Lidar scan im my budget.
> Just putting this out for opinions on the subject.
> Thank you
> Kris R. Oswald
>
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