Wikimedi'Òc

Bulletin of the Geological Society of America (1901) (20261069350).jpg - Fæ

Maryland geological survey (1901) (14768896032).jpg - Fæ

Maryland geological survey (1901) (14582466650).jpg - Fæ

Maryland geological survey (1901) (14582475370).jpg - Fæ

Maryland geological survey (1901) (14582474450).jpg - Fæ

Dinosaur Park Laurel.jpg - Levi bernardo

Arundel, Patapsco, and Raritan formations - Fig4.png - Jstuby

Arundel Formation Reynold's Mine - Fig2.png - Jstuby

Arundel Formation Reynold's Mine - Fig3.png - Jstuby