Title: Lake Superior Rocks & Minerals Field Guide, Author: Dan R. Lynch
Title: Michigan Rocks & Minerals: A Field Guide to the Great Lake State, Author: Dan R. Lynch
Title: Rocks & Minerals of California: Your Way to Easily Identify Rocks & Minerals, Author: Dan R. Lynch
Title: Minnesota Rocks & Minerals: A Field Guide to the Land of 10,000 Lakes, Author: Dan R. Lynch
Title: Rocks & Minerals of Washington and Oregon: A Field Guide to the Evergreen and Beaver States, Author: Dan R. Lynch
Title: Rocks & Minerals of Wisconsin, Illinois & Iowa: A Field Guide to the Badger, Prairie & Hawkeye States, Author: Dan R. Lynch
Title: Arizona Rocks & Minerals: A Field Guide to the Grand Canyon State, Author: Bob Lynch
Title: Lake Superior Agates Field Guide, Author: Dan R. Lynch
Title: Rocks & Minerals of the Pacific Coast: Your Way to Easily Identify Rocks & Minerals, Author: Dan R. Lynch
Title: The Wonder of North American Agates, Author: Dan R. Lynch
Title: Turquoise: Identifying and Collecting the Southwest's Iconic Gemstone, Author: Dan R. Lynch
Title: Agates of Lake Superior: Stunning Varieties and How They Are Formed, Author: Bob Lynch
Title: New York Rocks & Minerals: A Field Guide to the Empire State, Author: Dan R. Lynch
Title: Colorado Rocks & Minerals: A Field Guide to the Centennial State, Author: Dan R. Lynch
Title: Rocks & Minerals of the United States: Quick Guide, Author: Dan R. Lynch
Title: Lake Superior Rocks & Minerals Field Guide, Author: Dan R. Lynch
Title: Turquoise: Identifying and Collecting the Southwest's Iconic Gemstone, Author: Dan R. Lynch
Title: Michigan Rocks & Minerals: A Field Guide to the Great Lake State, Author: Dan R. Lynch
Title: New York Rocks & Minerals: A Field Guide to the Empire State, Author: Dan R. Lynch