Does passage lead from Rock River to Tallman House?
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Joel Van Haaften, executive director of the Rock County Historical Society, said members of the historical society still have their doubts about the existence of a tunnel between the Tallman House and the Rock River, but they'll continue to investigate.
He encouraged anyone with information about the tunnel to call the historical society at (608) 756-4509.
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Mike Monk of Gilbank Construction, left, and UW Extension hydrogeologist David Hart use ground-penetrating radar to search the grounds of the Lincoln-Tallman Restorations for a fabled tunnel. Rumors of a tunnel from the shore of the Rock River to the basement of the Tallman House have been around for years, but the stories have never been proven.
JANESVILLE The hunt was on Tuesday afternoon.
Rumors have swirled for years about a secret tunnel leading from the Tallman House to the nearby Rock River. Eyewitnesses say they have been inside. Others say they've seen an exit in a hidden basement.
UW Extension hydrogeologist David Hart volunteered his time and his ground penetrating radar to help find the truth.
"We have been hearing a constant stream of stories about a tunnel leading into the house," said Joel Van Haaften, executive director of the Rock County Historical Society.
The conversations started again after construction crews recently started work at the Tallman House. They were worried about parking heavy equipment on unstable ground.
Van Haaften said he had heard stories from four people who say they used the tunnel to sneak into the Tallman House years ago. He spoke to one man Tuesday who said he used the tunnel to explore the house in his youth and even managed to get onto the roof.
Mike Rogers of Janesville said he didn't go into the tunnel, but he saw where it connected to the home.
Rogers was about 6 years old when he first toured the Tallman House in 1961. During the tour, he said, visitors were shown a false door in a closet, through which he could see a basement beneath the home. When he returned years later, he could not find the fake door, and the tour guide knew nothing about it.
Mike Monk said he got an even closer look.
In the late 1960s, Monk said, he and his friends played near the sewer drains and ruins along the bank of the Rock River. One day, they made a discovery—a tunnel that led up to the Tallman House.
"We went all the way down the tunnel up to the house, or at least we thought we did," Monk said. "The end of the tunnel was blocked by new construction."
Other rumors are that the city filled the tunnel with sand to stop kids from breaking into the home or that the entrance by the river was filled with concrete. The historical society has yet to find any records to validate the claims.
Wealthy lawyer and land speculator William Morrison Tallman built the house between 1855 and 1857.
The reasons Tallman would have had a tunnel dug is unknown.
Tallman was an active member of the underground railroad when he lived in New York, Van Haaften said, but there is no proof he continued his involvement in Wisconsin.
Others have speculated that the tunnel might have simply been a drainage channel from the house to the river.
Before using the radar Tuesday, investigators examined the kitchen for evidence of a false door and basement.
Architect Kevin Donahue examined the closet and found no evidence of the basement or the door. He said there appears to be an area filled in under the home and below the closet, but there is no way to tell if it was filled when the house was built or later. The house has been renovated and modern plumbing has been installed.
The ground-penetrating radar yielded no clear answers.
The radar works like a weatherman's radar, Hart said. It sends sonic waves that bounce back from any objects.
"It's like a wave going across the surface of a pond with a rock in the middle," Hart said. "The waves will bounce back, and we will be able to see the rock."
Hart and Monk began by pulling the radar across the ground on the lawn behind the house facing the river. After two passes, they had no suspicious results and moved closer to the house. On the third pass, Hart picked up the faint sign of something buried.
It was tough to get a good reading, Hart said, because of the ground's composition. Hart made more sweeps and switched to a larger transmitter to search deeper.
"The only way to know for sure is to take a back hoe and to start digging," Hart said with a laugh.
After an afternoon of radar sweeps, Hart found what he described as "an anomaly" that he could not immediately identify. Hart will analyze the results in his lab later this week.
No matter the results, speculation about the tunnel will likely continue.
"This is about trying to find history," Donahue said.


Oct 30, 2011 at 9:03 p.m.
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"crickets"
Oct 30, 2011 at 8:40 p.m.
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JFK slept at my house. I tucked him in myself, even though I was born about 12 days before he was killed in Dallas. It's true.
Oct 30, 2011 at 8:37 p.m.
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This is about trying to get money. Just like the Milton House was a way-point on the underground railroad. Totally unsubstantiated. Making up history again.......
Oct 30, 2011 at 8:12 p.m.
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I'm not as young as I was back then, but I remember taking the tour every summer. After all I lived about a 100 yards away.(1960-1974) And at that time the story was that the tunnel was to the house across the street. Not to the river.
Aug 19, 2011 at 9:20 a.m.
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Why would they document it if it is/was for the underground railroad? "Underground" meaning secret, hidden, not talked about, kept quiet..etc. Not specifically under the ground. So of course there would be no documentation. Duh....
Aug 18, 2011 at 1:27 p.m.
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All I remember is the rock candy sold in the souvenir shop.
Aug 18, 2011 at 12:53 p.m.
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I think a lot of those "tunnels" are just areas for aging beer. The Croak Brewery (later the Bower City Beverage Co.) was located at Franklin st. and Mineral Point ave. I worked at the Tallman House in the early 80's doing painting and stuff. Being in high school and knowing of a possible tunnel, I scoured the entire building (including the carriage house) and never came across anything. If it is in fact there, it is very well hidden.
Aug 18, 2011 at 12:14 p.m.
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To TheAnswerals42
All I said was that it has never been documented .... (like the Milton House or countless other sites)I would say it's possible, but not likely...
Aug 18, 2011 at 11:53 a.m.
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Myself, I would be very surprised if a tunnel was discovered that lead to the river. I believe the Tallman property encompassed the entire area with various out-buildings used for storage, tool shop, gardening equipment, etc. I find it more feasible to think there was a tunnel that lead to one of the out-buildings for the convenience of the hired hands.
Aug 18, 2011 at 10:47 a.m.
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Does this mean GM is not coming back to Janesville?
Aug 18, 2011 at 10:27 a.m.
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rgm- you can see strange foundations down there now still. I wonder what those are about. It is in that area. If you go in behind that white building with green trim- used to be Alzheimers center.
Aug 18, 2011 at 10:25 a.m.
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Milton House has a tunnel. I thought I was told it went to the Tallman house.
They say that colored glass window on second floor had a lamp that was lit if it was "safe" for them to come up from River.
Aug 18, 2011 at 7:39 a.m.
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I also remember being shown the door in the closet when I toured the Tallman House in the 60's. The tour guide speculated that it might have been used for the Underground railroad.
Aug 18, 2011 at 7:26 a.m.
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Inside one of the water closets is a hidden door. The guide opened it and showed us the steps. This water closet is on an upper floor and to the right as you enter the room. The guide showed us this back in 1968. This one, as I remember went on the roof.
Aug 18, 2011 at 7:05 a.m.
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I think it connects to the basement. Somebody should contact Joe Knilans!
Aug 18, 2011 at 7 a.m.
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Where's Geraldo?
Aug 18, 2011 at 6:31 a.m.
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Maybe it's Bigfoot.
Aug 18, 2011 at 5:27 a.m.
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There is a tunnel and it is currently used as The Path To Prosperity and holds a vintage wine collection.
Aug 18, 2011 at 4:39 a.m.
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WisFamily- Most people that commit a crime don't leave around a lot of evidence; especially evidence that can be verified over 100 years later. We know parts of the UGRR went through Janesville. Its very possible that the Tallman House was a stop.
Aug 18, 2011 at 2:52 a.m.
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I BLAME OBAMA
Aug 18, 2011 at 1:52 a.m.
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How about that "tunnel" that was rumored to go from Craig Sr High to a house across Randall (which was supposedly the janitors house)?
I know theres some old tunnels under many of the old commercial buildings in the Atwood area of Madison. One restaurant I did service at had a set of stairs going below the basement that was boarded off that the owner said you could go to the capital building completely underground back in the day but most likely now is mainly blocked off.
Aug 18, 2011 at 12:08 a.m.
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There is no verified existence of the Tallman family participating in the underground railroad in Wis. He did support John Brown and he did send money to Kansas to support the "Free Kansas" movement of the 1850s. He had a stronger dislike of slavery than Lincoln at that time, and would have donated to any anti-slavery cause. The story was drawn up to bolster tourism I think....the brewery in that area is probably a reason for the tunnels. I love the site and wish more would visit it, and I think the story is interesting. Mr. Tallman was a staunch abolitionist and should be remembered as that and a good citizen of early Janesville.
Aug 17, 2011 at 10:41 p.m.
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I know for a fact there is no tunnel and never was.
Aug 17, 2011 at 10:27 p.m.
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Just so you know Janesville was a differant place downtown then it is today --- around 1900 they changed the street levels and the addresses- an example if you are every in the Main Street Saloon . ask them nicly to show you the basement --- the old door way to the street is there 7-8 feet below ground level and to the west the old door and windows are buried under ground --- to protect from the river --- so yes a tunnel is possible
Aug 17, 2011 at 10:12 p.m.
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bibiana
I am glad to hear you talk about the tunnel.
I remember visiting the Tallman house in the early 70's when the guide told us about the tunnel to the river to protect the slaves running to freedom.
Aug 17, 2011 at 9:33 p.m.
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Hi, For many years, I was the Treasurer for the Tallman House in its early years as a historical society. There is a secret tunnel that was used to bring slaves into the Tallman House from the Rock River as they made their way North to freedom. I personally saw the tunnel. The Tallmans supported President Lincoln - who also slept at the Tallman House.
The Underground Railroad helped slaves to find freedom in the North. You can read more about it at Wikipedia http://en.wikipedia.org/wiki/Underground...
John Blint
Aug 17, 2011 at 8:08 p.m.
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I love stories like this. When I was a kid my Dad started digging up our basement looking for a secret tunnel to the neighbors house a couple of doors down. My hand and foot prints are still visible. The rumor was that Al Capone owned our house and the tunnel was used for bootlegging. Never did verify that, but a couple of years ago someone who is familiar with the neighbors house said there was a bunker buried in their yard. I'm sure there are quite a few stories like that around this area.
Aug 17, 2011 at 6:10 p.m.
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I remember the area. It was cleaned-up when the bike trail was constructed. There was an iron door in a small stone wall located in the river. It was visible from time to time depending on the water level. It was just south of the a sandstone bluff that had the rope swing. If had to guess, the iron door was directly east of the intersection of Mineral Point and River/Franklin - positioned slightly north of the Tallman House. Even if that door was still there, that part of the neighborhood, including streets, utilities, houses and foundations, was demolished in the 70s.
Aug 17, 2011 at 5:58 p.m.
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back in the mid-nineties I worked for the City Park patrol and we would walk an area near Traxler park that had once been rooms built into a hill to store wine or some sort of alcohol. There was all sorts of broken bottles on there.
Aug 17, 2011 at 5:41 p.m.
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Who cares if there was a tunnel or not...
Aug 17, 2011 at 5:18 p.m.
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Great previous comments! Speculation comes and goes, but enough time has gone by to probably to end this discussion.
Aug 17, 2011 at 5:04 p.m.
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Back in the 1970's me and my friends would go cat fishing on the river down there. There was some old brick lined "rooms" with vaulted ceilings, mostly caving in, that seemed pretty scarry back then. We would find old bottle fragments and some old iron pieces. Seems like that would be the right area. No tunnel but it was pretty cool.... probably was a little dangerous but we came out of it alright. Great fun as a kid
Aug 17, 2011 at 4:58 p.m.
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Or they could just be abandoned coal shoots, or cisterns that older homes used to collect rainwater for re-use.
What we would call a "green" technology today.
Aug 17, 2011 at 4:36 p.m.
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Hmmm, enough good accounts of its existance and an anomaly... time to get the permits and a back-hoe! (Once the anomaly has been analyzed, of course.) It could have been for reasons of security or for expediting materials, or similar in use as the Milton House tunnel had been for. I wouldn't have a clue, but maybe unearthing this historical tunnel may help find something telling.
Aug 17, 2011 at 4:35 p.m.
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There was a trap door in the closet at Park Place theater down town you could drop down in and a big opening went all the way under the road and you could see where a tunnel that once went into the Monterey hotel was bricked up. Rumor was there used to be a lot of tunnels under ground linking buildings and went to a bomb shelter in the court house... not sure how credible that is though.
Aug 17, 2011 at 4:11 p.m.
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The Steelworkers Hall (Carpenter House) on Shore Dr in Beloit has a similar "hidden" room with an opening at the end which was supposed to lead to a tunnel to the river.
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