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2006-07-04 05:43:05 · 7 answers · asked by John L 1 in Science & Mathematics Earth Sciences & Geology

In terms of larger lakes in the United States, there are 123, 439 according to the EPA.

So what about caves?

Source(s):

http://www.epa.gov/owow/lakes/lakessurve

2006-07-04 06:19:21 · update #1

or if that website on lakes does not work, then do a google on: "selection of sampling locations for the Survey"

2006-07-04 06:37:49 · update #2

7 answers

The number is in the thousands, if not hundreds of thousands. It is probably impossible to derive an accurate number because many caves may be known only to a few people, and many caves interconnect so names used for cave entrances often are later discovered to be part of the same cave system. Mammoth Cave in Kentucky is an excellent example of a cave that has now been connected and mapped to several other major caves in the area.

A recent published paper compiled a distribution map of the caves in the United States and used 45,000 known caves in the lower 48 states. They found that one third of the counties in the US have at least one cave. Here is the paper:
http://www.caves.org/pub/journal/PDF/V61/v61n3-Culver.pdf

2006-07-04 07:25:43 · answer #1 · answered by carbonates 7 · 1 0

5

2006-07-04 13:08:19 · answer #2 · answered by Jay 2 · 0 0

who knows how many there are and are yet to be discovered

but...

Bedford Indiana is the limestone capitol of the world...might start there

2006-07-04 12:46:30 · answer #3 · answered by CC Babydoll 6 · 0 0

yes indeed, many thousands that are already surveyed and more that havent been discovered yet

2006-07-04 12:46:36 · answer #4 · answered by caver nico 3 · 0 0

It seems you already answered your main question.

As to your follow up, so, what about them? What is the question?

2006-07-04 13:47:04 · answer #5 · answered by Flyboy 6 · 0 0

Do you want me to include the hundreds of thousands that have not been discovered yet.................

2006-07-04 12:48:35 · answer #6 · answered by thomasrobinsonantonio 7 · 0 0

many many thousands that people know about, and many more that nobody knows about

2006-07-04 12:45:14 · answer #7 · answered by enginerd 6 · 0 0

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