What is a? A sort guide is a guide book printed on cards. Each sort guide consists of a deck of cards, sorting tool and instructions packaged in a durable plastic box, (so they may also be used in the field or laboratory.)
The cards have a description side showing illustrations and text, and an index side which lets you find the cards you want. No matter what subject your sort guide covers, the index side shows the characteristics you can sort for. Choose a characteristic and run the sorting tool through the hole at that characteristic. The cards that drop out won't have the characteristic you selected. Continue this process until you have eliminated all but one card.
They are available for:
- Minerals (Item # 1760-000) Over 180 minerals, plus numerous varieties. Includes many rare, interesting minerals, as well as common and important ones. Lots of illustrations and clear, concise descriptions. $21.95
- Perennial Garden Flowers (Item # 1765-000) Sort by color, height and season to plan for sun, soil and moisture. Many old favorites as well as the latest varieties are described. $21.95
- Trees of the U.S. and Canada (Item # 1764-000) Over 260 trees with over 900 illustrations. Includes the major native trees PLUS many exotics (foreign trees.) Also includes range maps for native trees. $21.95
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