[Rockhounds] Concretions of Bowling Ball Beach, Mendocino Coast, California

[Paul]

Bowling Ball Beach, Schooner Gulch State Beach
http://www.geologictrips.com/bbb/indexbbb.htm

Sea Ranch, Rocks of the Gualala Basin
http://www.geologictrips.com/sr/srgbro.htm

Sea Ranch, Regional Geology
http://www.geologictrips.com/sr/srgbgb.htm

Guidebook to Bowling Ball Beach Region, PDF file
https://web.archive.org/web/20200220203237/http://www.geologictrips.com/sr/gtsr.pdf

Guide to Bowling Ball Beach, PDF file
http://www.geologictrips.com/bbb/bbb.pdf

Guide to Bowling Ball Beach, Archive PDF file
https://web.archive.org/web/20200809031452/https://www.geologictrips.com/bbb/bbb.pdf

Schooner Gulch State Beach, Mendocino Coast, California
https://www.parks.ca.gov/?page_id=446

Atlas Obscura, Concretions and Bowling Ball Beach
https://www.atlasobscura.com/places/bowling-ball-beach

Duraj, M., Niemiec, D., Marschalko, M. and Yilmaz, I., 2016,
October. Listing a geological rarity of 'Stone Balls' in Kysuce
among world geotourism destinations. In IOP Conference
Series: Earth and Environmental Science (Vol. 44, No. 3, p. 032013).
https://iopscience.iop.org/article/10.1088/1755-1315/44/3/032013/pdf

Yours,

Paul H.