One dozen seperate pieces. Size varied; largest being hand specimen size, smallest were pebble sized. Rock types consisted of well-indurated clays and marls, some were fossiliferous.
Cite the IMLGS database as: Curators of Marine and Lacustrine Geological Samples Consortium. The Index to Marine and Lacustrine Geological Samples (IMLGS). National Geophysical Data Center, NOAA. doi:10.7289/V5H41PB8 [date of access].