Customer Reviews

Earth Treasures: Volume 3, The Northwestern Quadrant: Idaho, Iowa, Kansas, Minnesota, Missouri, Montana, Nebraska, North Dakota, Oregon, South Dakota, Washington, and Wyoming

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This book covers only very well known locations and only of rocks and minerals suitable for lapidary. This book is a good 30 years out of date. In my own state, I have been to every location listed and 90% of them do not exist anymore or are no longer accessible. In addition, I know of several other areas that are well known but not listed. Don't waste your time with this book.

The other reviewers are exactly right; use Eckert's information as a basic starter only. Speaking for the Oregon, Washington, and Idaho locales, I have had to use a lot of imagination to figure out where Eckert was trying to point me. There just isn't enough specific information for some listings, and for others, "current events" (i.e., development) have long since overtaken the rockhounding locales.

One thing that would have helped when marketing this book would have been a little explanation of what is different from the last volume. I patiently counted up all the sites listed for Oregon in the new guide, then counted the ones in my old book, and there was no change! In fact, I don't think a single site in the book was updated, added, or removed for Oregon. I suspect very few locales were updated, period.

There are no pictures, and the maps are only very vague; many times, a rockhound locale will be referred to as near a city, and the map will just point to that city. If the books weren't so expensive, they would be at least useful if you were trying to put together a complete picture for a state that you intended to rockhound to 100%. But I spent $20 on a used copy of an old edition and still felt a little gypped.

Where the book does help is in pointing you to a series of gravel bars on a river or major creek. For example, the Oregon section pointed me toward Vinemaple on the Nehalem River, and I used Google Earth to pinpoint some likely gravel bars. It turned out, however, that there were barbed wire fences and No Trespassing signs everywhere; I would have had to put in a canoe or kayak to get to his suggested spot. However, knowing that Vinemaple was good once, way back when, was useful, and when I got access to the river way above the Eckert site, I found what I was looking for.

This series is one of the most poorly conceived mineral guides I have ever seen. The author obviously knows very little about minerals e.g. "quartz rock crystal" and his maps are so poor you would be lucky to find anything using them. I agree with a previous reviewer who said "do not waste your time with these books." L. Dee, Geologist

this book is good for general areas. but the authors specific areas are way off ( for counties and cities ). went to gisham mountain for minerals and the park keeper who is a retired oregon state universay geologist advised that there was no such minerals in the mountain for he read the same book and looked and found none. went to china creek around florance, oregon and the following 5 creeks north of florance. dug and hounded---found nothing. it is a good book for GENERAL areas but watch out for specifics for it is not even close