Title	Region	Order	Source Pub	Leader		Host	Date	Copies
LaPorte to the Summit of the Grizzly Mountains, Plumas County, California	NC	1	Geological Society of Sacramento	Durrell		SGS	1965
Geology Field Guide to Northern California	NC	2	WCB	Harbaugh			1974
Field Trip Guide to the Geysers-Clear Lake Area	NC	3	Cordilleran Section, GSA .	McLaughlin			1977
Plate Tectonic History of the Yolla Bolly Junction, Northern Ca.	NC	4	Cordilleran Section, GSA 73rd annual meeting, Sacramento, CA.				1977
Geology of Northeast California	NC	5	NAGT FWS	Kato		Chico	1990
Geologic Excursions in Northern California: San Francsico to the Sierra Nevada	NC	6	Div of Mines and Geology	Sloan	Wagner		1991
Geologic Field Trips in Northern California	NC	7	GSA	Wagner	Graham		1999