More flour sources

Community Grains
Oakland
Grains—including hard red winter wheat and hard amber durum—are grown and ground for this label. $1.29/lb.; Berkeley Bowl West, berkeleybowl.com; regional Whole Foods Markets; Surfas Los Angeles, surfaslosangeles.com; for more stores, see communitygrains.com.

Moores' Flour Mill
Redding, CA
Oats and multigrain cereals, as well as Montana hard red wheat that's ideal for bread. $7.69/10 lbs.; sold only at the store (closed Sun); 530/241-9245.

Bob's Red Mill Natural Foods
Milwaukie, OR
Montana hard red wheat, Oregon soft white wheat, and many other flours. From $1.88/1½ lbs.; ships in U.S.; for stores and ordering, see bobsredmill.com.