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Images of Alan Samel
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Darby Creek Valley Association - Stream Watch Macroinvertebrate ID...
www.dcva.org
Stream Watch Macroinvertebrate ID. w/ Alan Samel. January 13, Start Time 8: :30. CREC Park View Rd. Havertown PA. We welcome volunteers who wish to learn the stream side and the laboratory techniques! The DCVA ("StreamWatch") is a yearly study of water quality in the Darby Creek ...
· Stream Walk at Haverford Reserve – Nextdoor
nextdoor.com
Stream Walk
Sunday May 7th :30
Come out and join us for this beautiful spring walk along winding stream trail on Haverford Preserve, lead by Alan...
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