Sinking starts early this year

Sinking starts early this year

There are 10 comments on the Evening Sun story from Feb 24, 2011, titled Sinking starts early this year. In it, Evening Sun reports that:

Melting snow revealed another sinkhole at the corner of Oak Drive and Edgegrove Road in Conewago Township, close to the one township officials nicknamed the "Sinkhole to China" last year.

Join the discussion below, or Read more at Evening Sun.

hmmmm

Spring Grove, PA

#1 Feb 25, 2011
Not sure about this, but if the limestone erodes and forms underground caves, why would we want to fill it up with crushed limestone from a quarry? Seems like the problem will only return...
A PLACE FOR EVERYTHING

Hanover, PA

#2 Feb 25, 2011
I am not an expert or a geoligest but arent sinkholes and pot holes 2 differnt things? Pot holes are caused by freezing and thawing of black top surfaces that happens in the spring. That is sink hole in CWT is caused by one thing the mine less than a quater mile away. Next question why on (not so solid) earth would anyone state or local give approval for the devolpment that is even close to the mine than this sink hole. This gives a new meaning to the phrase "the sinking housing market" Good luck to CWT and its team of experts and most of the residents living over a big hole. I hope you sink a lot of money into yourr house for repairs
FLSTC

Hanover, PA

#3 Feb 25, 2011
Sink holes are caused by diverting ground water. The water still occupies space and supports the surface but when it's pumped out by quarrying operations, voids are created through which the water now runs, as opposed to being a stationary body. The running water now causes erosion and leaves behind empty pockets that turn into sink holes. There is a limestone deposit that runs deep and surfaces and spans the costal states from Alabama to New York. If left alone, things will be the way they were for thousands of years. Pump the water out and you wind up with sink holes. Any geologist can tell you this.
susan lovell

Gettysburg, PA

#4 Feb 25, 2011
It's the Quarry, it has always been the Quarry and unless the politicians decide that that giant hole in the ground and the water that is pumped underground out of it needs to stop, this will keep happening. And giving building permits for houses anywhere near it is suicide. Where's the EPA when you need them?
Mr Mr

Hanover, PA

#5 Feb 25, 2011
The Quarry and mines is not the blame for the sinkholes. The sinkholes are a natural accurance due to the water eroding the limestone underground. They have been happening long before the quarry even opened up.
There is the same problem down in MD between Westminster and New Windsor. Airial photo's taken before the quarry opened, showed the sinkholes were there before the quarry.
susan lovell

Gettysburg, PA

#6 Feb 25, 2011
Mr Mr Really???? Let's see those photos. I think you should send them to the paper so they can be published. By the way, it's aerial, not airial, and occurrence, not accurance!
a place for everything

Hanover, PA

#7 Feb 25, 2011
Mr Mr There are quarries & mines in that area also.
I will tell you this as long as that mine is pumping water out the land all around it will be sinking in. I am not opposed to the mining industry as we meed lime stone & aggregate for for building and in other areas of the state we need coal for fuel and heat. I am opposed to dumb asses putting in developments a few hundred yards from the mine and the over paid zoning boards that let it happen.
I am also opposed to jack ass news papers that think a sink hole to china forms the same as a pot hole in the tarmac in the spring. The headline for this article shows the ignorance of its reporters and editors. Now if the reports went to west Mannheim and reported on the early forming pot holes the story would have merit. That hole in CWT will open no matter the season because underground water does not freeze it runs all year long. the frost line is 24" at best so deeper than that the ground temp is a consistent 55 degrees.
FLSTC

Hanover, PA

#8 Feb 26, 2011
Yep, the old Genstar Medford quarry is a quarter mile off of New Windsor road......between Westminster and New Windsor
Mr Mr

Hanover, PA

#9 Feb 26, 2011
Thank you for the correction's.
susan lovell wrote:
Mr Mr Really???? Let's see those photos. I think you should send them to the paper so they can be published. By the way, it's aerial, not airial, and occurrence, not accurance!
SES

Islamorada, FL

#10 Feb 26, 2011
a place for everything wrote:
Mr Mr There are quarries & mines in that area also.
I will tell you this as long as that mine is pumping water out the land all around it will be sinking in. I am not opposed to the mining industry as we meed lime stone & aggregate for for building and in other areas of the state we need coal for fuel and heat. I am opposed to dumb asses putting in developments a few hundred yards from the mine and the over paid zoning boards that let it happen.
I am also opposed to jack ass news papers that think a sink hole to china forms the same as a pot hole in the tarmac in the spring. The headline for this article shows the ignorance of its reporters and editors. Now if the reports went to west Mannheim and reported on the early forming pot holes the story would have merit. That hole in CWT will open no matter the season because underground water does not freeze it runs all year long. the frost line is 24" at best so deeper than that the ground temp is a consistent 55 degrees.
Let us hope that the Supervisors can use documented proof for creating responsible land use plans that will not allow residential development in areas subject to sinkholes - the liability issues are astounding - clearly, a buffer area within their Zoning Ordinance would be useful. I think the adjacent development has already had sinkholes in the newly created roads - this shall be a never ending expense to the taxpayers that should never have been sanctioned.

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