Guidebook, annual field conference.
| Corporate Authors: | , |
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| Format: | Serial |
| Language: | English |
| Published: |
[Billings, Mont.]
[publisher not identified] ;
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| Subjects: | |
| Online Availability: |
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| Published: | 1st- 1946- |
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| Physical Description: | volumes : illustrations ; 20 cm. |
| Publication Frequency: | Annual |
| ISSN: | 0160-2829 |