Category: Throwback Thursday
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Throwback Thursday #330: All Illinois Rock Swap and Silent Auction 1976
August 28, 2026 will mark the 50th Anniversary of the “All Illinois Rock Swap and Silent Auction”. It was held on August 28th and 29th, 1976 at the College of DuPage in Glen Ellyn, IL. The event was held in Parking Lot K. Long-time ESCONI member Rich Rock was Chairman. And really, who has a…
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Throwback Thursday #329: Looking Back At ESCONI For July/August 2026
The newsletters are typically sparse in the summer, but here is a bit of ESCONI history for your summer reading pleasure. 25, 50, and 70 years ago…
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Throwback Thursday #328: Go on… Introduce yourself, tiny frog
The Field Museum made an intriguing historical post to LinkedIn last week. It was a meet-and-greet between two frogs…
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Throwback Thursday #327: Walter Cronkite and… dinosaurs!
David Bressan of the History of Geology group on Facebook has an interesting post about the 1991 A&E documentary series “Dinosaur!”. Walter Cronkite was the host. Several episodes are available to watch on YouTube. I vaguely remember watching the series when it aired. Revisiting it today is fascinating as it offers an opportunity to see…
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Throwback Thursday #326: Photos from a 1970 Lapidary Meeting
Andy and Rose Jansen recently received two photos from Mary Hason, daughter of Betty and Chet Williamson. The Williamsons were long-time members, joining ESCONI in 1959!
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Throwback Thursday #325: Journey to the Beginning of Time
Ok, who remembers “Journey to the Beginning of Time” on Garfield Goose on morning television in Chicago? Just recently, the trailer to the US version of the movie recently appeared in one of my feeds, so I did a little research to find out more about the film/episodes.
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Throwback Thursday #324: Poem “Cephalopodosis”
We have nothing but respect for cephalopods in ESCONI, but this is a rather odd poem called “Cephalopodosis” from B. J. Babbitt. This poem appeared in the June 1950 edition of the ESCONI newsletter. Babbitt was the editor of the newsletter at the time. And, he remained editor for ESCONI’s first three years.
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Throwback Thursday #323: June 30, 1956 Mid-Air Collision Over the Grand Canyon
Newspapers.com recently featured an interesting article about the tragic mid-air collision over the Grand Canyon on June 30, 1956. TWA Flight 2, a Lockheed Super Constellation en route to Kansas City, collided with United Flight 718, a DC-7 bound for Chicago. Both aircraft had departed from Los Angeles, and the collision is believed to have…
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Throwback Thursday #322: An Othniel Charles Marsh “Origin of Species”
While speaking with a Field Museum visitor at the recent “Dinopalooza 2026”, I learned about an extraordinary book discovery made at a Salvation Army store in Delaware a few years ago. The visitor shared in a 2025 post he made on the Reddit community r/rarebooks. The book is a signed copy of On the Origin…
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Throwback Thursday #321: The Fossil Legacy of Thomas Jefferson
The following article “The Fossil Legacy of Thomas Jefferson” by Trick Runions, a long-time ESCONI member, first appeared in the May-June edition of the Flatirons Mineral Club newsletter “Flatirons Facets”.
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Throwback Thursday #319: Happy 150th Birthday, George Langford!
May 26th, 2026 marks George Langford’s 150th birthday! He was born on May 26th, 1876 in Denver, Colorado. George Langford Sr. is giant in the history of Mazon Creek. Before Jack Wittry’s books, George’s books were the go-to source of information about Mazon Creek. George wrote three books about Mazon Creek fossils. The first was…
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Throwback Thursday #318: 2001 Chicagoland Gem, Mineral, and Fossil Show
The 2001 Chicagoland Gem, Mineral, and Fossil Show was held at the DuPage County Fairgrounds. This was the 25th year for the show. Back then, the show spanned three days, for 2001, that was May 26th, 27th, and 28th, 2001.
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Throwback Thursday #317: The Fossil Story from Shell Oil Co.
I saw this video mentioned the May 1956 edition of the ESCONI newsletter (see Throwback Thursday #316). I vaguely remember watching it in grade school. It’s interesting how our view of paleontology changed with the addition of plate tectonics.
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Throwback Thursday #315: Empire Quarry in Bloomington, Indiana
Atlas Obscura has an interesting post about the Empire Quarry located in the area of Bloomington, Indiana. This quarry supplied the 18,630 tons of stone used to build the Empire State Building in the 1920’s. Indiana is known for its rocks. Some of the world’s finest limestone hails from the area surrounding Bloomington and Bedford,…
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Throwback Thursday #314: Collecting from 1954
We are in the midst of the spring field trip season and this article by Roy Beghtol from the May 1954 edition of the ESCONI newsletter seemed appropriate.
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Throwback Thursday #313: Who Was DuPage? How the River and County Were Named
The BeHistoric channel on Youtube has a fascinating video about the history behind the name of the DuPage River and DuPage County.
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Throwback Thursday #312: Ron Schinderle Donation
Barb Schinderle stopped by ESCONI Show last month to drop off a donation of her late husband Ron’s fossils. Ron passed away in 2021. He was a long time ESCONI member and an avid fossil collector . He went on many ESCONI field trips. A group of us remember him fondly from our many trips…
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Throwback Thursday #311: Looking Back At ESCONI For April 2026
A look back at 25, 50, and 70 years ago
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Throwback Thursday #310: History of the Thornton Quarry
Ran across this interesting episode of “It’s History” on Youtube…. “Why This Highway Runs Through Chicago’s Biggest Hole”. It’s about the Thornton Quarry and one of the founders of Chicago, Gurdon Saltonstall Hubbard, who is the namesake of Hubbard Street in Chicago.
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Throwback Thursday #309: ESCONI Gem, Mineral, and Fossil Show for 1992
ESCONI has been holding a show in the spring since about 1960. In the mid 1970’s, it became the Gem, Mineral, and Fossil Show. Before that, there was the Indoor Field Trip hosted by the Paleontology Study Group. Today, we are looking back 30 years to the 1992 show. The show was held on March…
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Throwback Thursday #308: “Oh, do this rock for me”
This poem appeared in the February 1963 edition of the ESCONI newsletter. It seems to originated with “Agate Pete”, which was a feature in the newsletter of El Paso Mineral and Gem Society. They are still alive and kicking…
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Throwback Thursday #307: Looking Back At ESCONI for March 2026
A look back at March 1956, 1976, and 2001
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Throwback Thursday #306: This is Life…
This is Throwback Thursday #306. In these, we look back into the past at ESCONI specifically and Earth Science in general. If you have any contributions, (science, pictures, stories, etc …), please send them to esconi.info@gmail.com. Thanks! email:esconi.info@gmail.com. I received an interesting book from Bob Goss last November. You may remember him from a couple Fossil…
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Throwback Thursday #305: The Sinclair Dinosaurs at the New York World’s Fair in 1964-1965
This is Throwback Thursday #305. In these, we look back into the past at ESCONI specifically and Earth Science in general. If you have any contributions, (science, pictures, stories, etc …), please send them to esconi.info@gmail.com. Thanks! email:esconi.info@gmail.com. The Sinclair Oil company was formed by Harry Sinclair in 1916. The dinosaur known as “Dino” first appeared…
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Throwback Thursday #304 – Lizzadro Field Trip in January 1971
This is Throwback Thursday #304. In these, we look back into the past at ESCONI specifically and Earth Science in general. If you have any contributions, (science, pictures, stories, etc …), please send them to esconi.info@gmail.com. Thanks! email:esconi.info@gmail.com. The Lizzadro Museum was originally located in Wilder Park, Elmhurst, IL. It was opened on November 4th, 1962…
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Throwback Thursday #303: Looking Back At ESCONI For February 2026
A look back at February 1956, 1976, and 2001
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Throwback Thursday #302: More Old Cars
This is Throwback Thursday #302. In these, we look back into the past at ESCONI specifically and Earth Science in general. If you have any contributions, (science, pictures, stories, etc …), please send them to esconi.info@gmail.com. Thanks! email:esconi.info@gmail.com. In Throwback Thursday #267, we posted field trip photos that showed old cars from the 1950s and 1960s.…
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Throwback Thursday #301: Century of Progress – Sinclair Exhibit
This is Throwback Thursday #301. In these, we look back into the past at ESCONI specifically and Earth Science in general. If you have any contributions, (science, pictures, stories, etc …), please send them to esconi.info@gmail.com. Thanks! email:esconi.info@gmail.com. Ran across an interesting post on the Original Chicago Group on Facebook last month (December 2025). In…

