2 cobbles-both roughly 8x12x6 cm in size and angular in form 1 cobble basaltic, other medium grained laminated (0.5 cm) sandstone. The basaltic rock appears relatively fresh while sandstone is moderately weathered.
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].