(Last Updated On: December 29, 2018)

Of all of the news history about Salesforce Transit Center and Maria Ayerdi Kaplan, perhaps the most fascinating one involves, of all things, a Columbian Mammoth Tooth. That’s right: a part of a Columbian mammoth that lived between 8,000 and 150,000 years ago and was approximately 12-14 feet tall, weighing between five and 10 tons.

On September 10, 2012, crane operator, Brandon Valasik, on the Transbay Transit Center jobsite in downtown San Francisco, found the fossil tooth. It was reportedly 110 feet below street level and 100 feet below sea level, and was immediately recognized by Valasik as something unusual.

“Finding the mammoth tooth on our construction site was one of the most exciting and memorable historical events of our project. We are simultaneously preserving our history while building for the future.” said then-Transbay Joint Powers Authority (TJPA) Executive Director Maria Ayerdi Kaplan. “We applaud the California Academy of Sciences for placing the mammoth tooth on display for the public to view and learn about downtown San Francisco’s natural history.”

The TJPA donated the tooth to the California Academy of Sciences on September 20, where it was cleaned, preserved, and added to the research fossil collection. The tooth is an upper left molar of a Columbian mammoth (Mammuthus columbi) and was discovered in two pieces; the front third of the tooth was missing.

Stay tuned.

Maria Ayerdi Kaplan, Developer Of Salesforce Transit Center: Her Story as told to Zennie62Media. > Part One > Part Two > Part Three > Part Four > Part Five > Part Six > Part Seven > Part Eight.


By Zennie Abraham

Zennie Abraham is Zennie62Media, Inc. CEO AKA Zenophon Abraham Zennie62 YouTube Channel,, zenni, zenni glasses, optical, eyewear, Oakland vlogger, Oakland News Now Today Blog – SF Bay Area Daily, WordPress user, full stack developer, online reputation management digital marketing expert, SEO, digital media guy, economic development , personal online content , management reputation services, east bay democratic club follower, super car stats dude, CES Las Vegas, tech news blog,,,, Oakland Post,, Oakland restaurant foodie fan, Oakland Mayor's Office - Oakland City Council veteran, NBA Blogger, NFL Blogger, Pro Sports Blogger,, Super Bowl Bid Expert, Skyline High School Oakland grad, Texas-Arlington Alum, UC Berkeley DCRP Alum, Cal Alumni Board of Directors Alum, Oakland Raiders, The Athletic, Sports Illustrated, Leigh Steinberg Super Bowl Party, New York 21 Club, Las Vegas Raiders, Dallas Cowboys, NFL, NFL Draft Draftnik, Roger Goodell, Adam Silver NBA, media blogger, social media pioneer, college football news, coder, football strategy junkie, Oakland elections news, Maria Ayerdi Kaplan, Salesforce Transit Center, Oakland Mayor Libby Schaaf, California Governor Gavin Newsom, Councilmember Noel Gallo, Sheng Thao, Rebecca Kaplan, Ben Bartlett Berkeley, Oakland City Attorney Barbara Parker, Treva Reid, Amy Cooper, Chris Cooper, Barack Obama, Darrell Williams, Chicago, International Terminal Solutions, Sanpete County Utah, John Siegel, Autumn Wind Lending, LLC, Flowsent, Oakland Bulk and Oversized Terminal, OBOT, Las Vegas visitor, YouTube Partner, friend of Mike Silver, Leslie Silver, Pass It Down podcast, Phil Tagami, Phil Gates, Nancy Sidebotham, Henry Gardner, Davey D Cook, Ray Bobbitt, Bill Duffy, Robert Bobb, Alan Dones, Loop Capital, Shaun Tai BRIDGEGOOD, Robert G Schock, Barbara Schaaf, Marc Canter, Patricia Yerger Mom, Harrison Chestang, KPOO, Gary Schapiro, Zenophon Abraham Sr. Dad, member, Vloggercon attendee, The Alley Cat Bar regular, Grand Lake Theater marquee fan, United Airlines flier, Walt Disney World lover, System Dynamics consultant, Eddie Van Halen, Run DMC, Rolling Stones, Old School Rap fan, Star Trek Trekker, movies buff, San Diego Comic Con Press regular, female bodybuilder fan, Wonder Woman, melissa benoist, Supergirl, Singer Associates, Spritz Marketing SF, Oakland and San Francisco Planning follower, Atlanta Georgia, Atlanta Falcons, Fayette County, Fayetteville observer, wish Tibor Lacey would stop playing with my name, Zennie62 YouTube Partner, Hollywood, Oakland California blogger / vlogger hire @Zennie62Media, Inc to tell your story.


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