Photograph as originally submitted to this page in the Historical Marker Database www.HMdb.org. Click on photo to resize in browser. Scroll down to see metadata.
Blowhole Effect Illustration on Marker
Photographer: National Park Service
Taken: undated
Caption: Blowhole Effect Illustration on Marker
Additional Description: [Caption reads] When the outside air pressure rises, air is driven into the blowhole.
Submitted: April 15, 2011, by William Fischer, Jr. of Scranton, Pennsylvania.
Database Locator Identification Number: p150295
File Size: 0.072 Megabytes

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