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Calcium carbonate Bathtub Ring on Rocks in Lake Powell in Glen Canyon National Recreation Area, Utah Photograph by Ruth Hager - Fine Art America
![ThinkProgress on X: "Scientists discover huge "bathtub ring" of oil on sea floor left from BP spill http://t.co/XRQ1uIX4pW http://t.co/IehkUbLHYm" / X ThinkProgress on X: "Scientists discover huge "bathtub ring" of oil on sea floor left from BP spill http://t.co/XRQ1uIX4pW http://t.co/IehkUbLHYm" / X](https://pbs.twimg.com/media/B1CYBKSIUAEIYB5.jpg)
ThinkProgress on X: "Scientists discover huge "bathtub ring" of oil on sea floor left from BP spill http://t.co/XRQ1uIX4pW http://t.co/IehkUbLHYm" / X
![Ring in bathtub. Wear& tear is one thing, but filthy is a whole different issue. - Picture of Clarion Suites, Augusta - Tripadvisor Ring in bathtub. Wear& tear is one thing, but filthy is a whole different issue. - Picture of Clarion Suites, Augusta - Tripadvisor](https://media-cdn.tripadvisor.com/media/photo-s/07/ba/0a/6f/ring-in-bathtub-wear.jpg)
Ring in bathtub. Wear& tear is one thing, but filthy is a whole different issue. - Picture of Clarion Suites, Augusta - Tripadvisor
![The Lake Mead "Bathtub Ring" as seen from the Hoover Dam in March 2009. | Download Scientific Diagram The Lake Mead "Bathtub Ring" as seen from the Hoover Dam in March 2009. | Download Scientific Diagram](https://www.researchgate.net/publication/290827637/figure/fig2/AS:669990139224068@1536749505255/The-Lake-Mead-Bathtub-Ring-as-seen-from-the-Hoover-Dam-in-March-2009.jpg)
The Lake Mead "Bathtub Ring" as seen from the Hoover Dam in March 2009. | Download Scientific Diagram
![Las Vegas isn't betting on Mother Nature to solve its water problems. Here's how it intends to win | CNN Las Vegas isn't betting on Mother Nature to solve its water problems. Here's how it intends to win | CNN](https://media.cnn.com/api/v1/images/stellar/prod/220902183328-lake-mead-file-081922.jpg?q=w_1110,c_fill)
Las Vegas isn't betting on Mother Nature to solve its water problems. Here's how it intends to win | CNN
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Baby Bathtub Ring Seat Baby Child Shower Toddler Child Anti-Slip Safety Safety Chair Bath Play Chair Toy Stool Baby Bath Chair - AliExpress
![Photographs of the Colorado River reveal thousands of miles of bleached 'bathtub ring' | Daily Mail Online Photographs of the Colorado River reveal thousands of miles of bleached 'bathtub ring' | Daily Mail Online](https://i.dailymail.co.uk/i/pix/2015/03/31/04/2717B6FE00000578-3018740-Lake_Powell_which_is_the_country_s_second_largest_reservoir_when-a-15_1427774100064.jpg)
Photographs of the Colorado River reveal thousands of miles of bleached 'bathtub ring' | Daily Mail Online
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