Natural History Society of Maryland
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Natural History Society of Maryland

Fossil Club Trip to the Devonian Mahantango Formation

  • 22 Nov 2020
  • 8:30 AM - 12:00 PM
  • Ranch House Restaurant 3456 Susquehanna Trail
  • 1


Please note: This field trip will be conducted under our new COVID-19 specific guidelines. Everyone attending the trip must:

  1. Wear a mask
  2. Bring your own hand sanitizer
  3. Keep physical distance of at least 6 feet
  4. Stay home if you are not feeling well, or if you have been in physical proximity to someone who has tested positive for COVID-19 or is showing symptoms.
  5. More information will be sent to participants.

Fossil Club Members (old and new!), please join us to explore this once a coral reef. It teamed with trilobites, bivalves, gastropods, brachiopods, cephalopods, corals, sponges, spirifers, crinoids, bryozoans, and some plant life.

If you would like to join NHSM and the Fossil Club, please do so by following this link:
Club members will need to meet at 8:30am in the parking lot of The Ranch House Restaurant. (We are not planning on having breakfast there, so please be on time and plan your breakfast accordingly).
From the Ranch House Restaurant, we will drive to the 7 Stars Fossil Location. We will be able to park right in front of the quarry along the roadside. It is a privately owned Central PA Devonian Quarry from the Mahantango Formation, which we have permission to explore!
All club members will need to wear weather appropriate clothes/gear (gloves, sturdy shoes/boots, protective eyewear etc) and pack a lunch/drinks/snacks. Make sure to take all trash with you when we leave. Please bring only “manual” rockhounding tools. No mechanized, gas powered, battery operated saws, drills etc will be permitted. Weather and time permitting, there is a second Devonian location nearby that we may be able visit!
If you have any questions, please email Vanessa at, or Nick, who will be leading this trip, at
The Natural History Society of Maryland is a 501(c)(3) non-profit corporation and contributions are tax-deductible.

The mission of the Natural History Society of Maryland is to foster stewardship of Maryland’s natural heritage by conserving its natural history collections, educating its citizenry, and inspiring its youth to pursue careers in the natural sciences.

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