Phil and Ben:

My personal favorites are the orange or yellow caps they put over the ends
of reinforcing bars in construction sites as they can be made to stick up
out of the vegetation with wooden stakes and are readily available.

Rich Lundin, WRI 

-----Original Message-----
From: HISTORICAL ARCHAEOLOGY [mailto:[log in to unmask]] On Behalf Of phil
glover
Sent: Wednesday, September 15, 2010 9:23 AM
To: [log in to unmask]
Subject: Re: Renting GPR or Magnetometer.

or plastic poker chips...
 
> Date: Wed, 15 Sep 2010 12:17:45 -0400
> From: [log in to unmask]
> Subject: Re: Renting GPR or Magnetometer.
> To: [log in to unmask]
> 
> Histarchers,
> 
> Rich replied with a source of plastic flags (Forestry Suppliers). If 
> possible, would anyone know of a button like marker- maybe 5 cm across 
> that I could use to mark the 'hits' and then take an aerial photo from a 
> kite (or helium balloon)? It might be really interesting to get the 
> aerial perspective on the distribution of metallic artifacts. Of course, 
> these can also be mapped in as well.
> 
> Cheers,
> Ben
> 
> On 9/15/2010 12:06 AM, Gaye Nayton wrote:
> > Have you tried examining aerial photographs of your site? The lower the
> > flight run the better. I deal with sites that are largely timber in WA
and
> > they show up on aerials. I then use a metal detector to determine the
extent
> > of artifact spread around the structures. However, you need to use a
> > detector that will reach the depth you expect the archaeological deposit
to
> > be located at.
> >
> > Gaye
> >
> > -----Original Message-----
> > From: HISTORICAL ARCHAEOLOGY [mailto:[log in to unmask]] On Behalf Of
Benjamin
> > Carter
> > Sent: Tuesday, 14 September 2010 9:36 AM
> > To: [log in to unmask]
> > Subject: Renting GPR or Magnetometer.
> >
> > All,
> >
> > I am in the process of studying a historic site (c. 1750) in eastern PA.
> > Based upon historic documents we have a good idea of the location of the
> > site and part of it falls within an open field. I have been over the
> > site multiple times and there are very few hints as to where within that
> > field the site may be. There may have been one structure that had a
> > stone foundation, but that may have been removed historically. There
> > were probably approximately 35-50 other 'houses' that did not have stone
> > foundations. I want to try an relocate these structures based upon their
> > post-holes, trenches and artifacts, especially nails. At least one of
> > the structures was burned so the nails should be distributed around that
> > foundation. These has been some historic disturbance at the site, but I
> > don't believe that structures were buried, but they were likely plowed.
> >
> > I am trying to figure out the best way to relocate the site more
> > precisely. I would love to use either GPR or Magnetometry, but the
> > equipment can be extremely pricey and I have a fairly limited budget.
> > There are also a myriad of variations that I could potentially use and I
> > am having a difficult time determining which would be the best.
> >
> > Does anyone have suggestions? Are there inexpensive GPR, etc. equipment
> > that I could rent? I am considering using metal detectors in the
> > organized fashion laid out in previous posts to this list serve. That
> > seems more affordable and I may know a couple of people who have them
> > and, hopefully, would help out. Unfortunately, that doesn't give me a
> > great map like you can get from GPR. It is also limited because it gives
> > little information about the item that has been detected.
> >
> > I greatly appreciate any and all assistance.
> >
> > Cheers,
> > Ben Carter
> >