MS Volume 31 Numbers 1-4
Volume 31 Number 1-4 | 1991 |
The Art of Cave Mapping |
Note: Cave map symbols are found at the end of the issue. Note: This issue reflects methods and technology commonly used in 1991. While the fundamentals have not changed since the date of publication, many of the techniques have evolved. Look for a future Missouri Speleology issue which will better reflect modern techniques and symbols. |