Kathi Beratan, left, leads a geology tour at Ellerbe Creek during The Rocks Nature Preserve Celebration in Durham, N.C. on Sunday, Apr. 2, 2017.
Kathi Beratan, left, leads a geology tour at Ellerbe Creek during The Rocks Nature Preserve Celebration in Durham, N.C. on Sunday, Apr. 2, 2017. Ben McKeown newsobserver.com
Kathi Beratan, left, leads a geology tour at Ellerbe Creek during The Rocks Nature Preserve Celebration in Durham, N.C. on Sunday, Apr. 2, 2017. Ben McKeown newsobserver.com

Durham watershed group serves nature to the public on The Rocks

April 02, 2017 5:35 PM

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