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Petroglyph Lecture with Dan Coates

Thursday, June 25th, 2026 07:00 pm
Havre de Grace Maritime Museum
100 Lafayette Street
Havre de Grace, MD 21078


View petroglyphs from Bald Friar Rock at Havre de Grace Maritime Museum and learn more about their meanings and origins from lecturer Dan Coates, who has over 25 years of local archaeological experience. The Lecture will focus on the petroglyphs (prehistoric rock images) found at Bald Friar Ford, between Harford and Cecil Counties. It will address four very unique styles of petroglyphs studied in the lower Susquehanna River basin, with comparisons to those of the Allegheny/Monongahela drainage. A new theory will be presented to explain the cultural significance of the Bald Friar site, supported by individual image interpretation and artifacts of the region.

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