Archived posting to the Leica Users Group, 2009/08/16
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]Septic tank? Leo Wesson Photographer/Videographer 817.733.9157 www.leowesson.com On Sun, Aug 16, 2009 at 4:01 PM, Jim Nichols <jhnichols at lighttube.net>wrote: > Hi Douglas, > > The only structure that ever adorned these lots before our houses was an > American Civil War earthwork on the opposite end of my lot, overlooking the > roadside at that time. That disappeared forty years ago. > > Thanks for the feedback. > > Jim Nichols > Tullahoma, TN USA > ----- Original Message ----- From: "Douglas Sharp" <douglas.sharp at > gmx.de> > To: "Leica Users Group" <lug at leica-users.org> > Sent: Sunday, August 16, 2009 3:09 PM > Subject: Re: [Leica] IMG: Information Needed on Cause of Lawn Circle > > > Hi Jim, >> >> have you had very little rain recently? >> >> This looks like what happens when some kind of structure is at shallow >> depth below the surface. Both sides stiil get enough water from deeper >> in the ground, but above the structure everything dies off. Very useful >> for archaeologists but not so good for a nice green lawn. >> >> Could be an old wall or foundations, the rim of an old pond (hard packed >> clay), an old farm building or similar. >> >> If there's been a lot of construction work with pretty deep foundations >> being dug or pipelaying in the neighbourhood, it could mean that the >> groundwater table has fallen. >> >> We had a similar effect in our garden caused by "lenses" of clay and >> sand. These filled with rainwater and made circular areas that wobbled >> like quicksand. I had to dig a criss-cross of trenches almost 3-feet >> deep through the garden to get it draining properly. >> >> Cheers >> Douglas >> >> >> >> Jim Nichols wrote: >> >>> I know there are many knowledgable people on these two lists. I am >>> looking for a hint on the cause of a circle of dead grass that is very >>> well >>> defined on my lawn and extends, faintly, into the adjoining lawn. >>> >>> I recall that a cherry tree once existed in this general area in the >>> neighboring lawn. I had a maple in my yard that was damaged by a wind >>> storm >>> and removed. However, neither of these was near the center of the >>> circle. >>> I have heard that maple roots can cause problems in grass, but no >>> previously-existing root circle matches what I now observe. >>> >>> Anyone got a suggestion? >>> >>> http://gallery.leica-users.org/v/OldNick/Lawn+Circle.jpg.html >>> >>> Jim Nichols >>> Tullahoma, TN USA >>> >>> _______________________________________________ >>> Leica Users Group. >>> See http://leica-users.org/mailman/listinfo/lug for more information >>> >>> >>> >> > > > -------------------------------------------------------------------------------- > > > > >> _______________________________________________ >> Leica Users Group. >> See http://leica-users.org/mailman/listinfo/lug for more information >> > > > > _______________________________________________ > Leica Users Group. > See http://leica-users.org/mailman/listinfo/lug for more information >