Florida Division of Forestry Appendix 3: Guide for Estimating Slope Category
Silviculture Best Management Practices
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Table of Contents

Acknowledgements

Foreword

Special Management Zones

Best Management Practices

Appendices

Glossary

 

Estimating Slope from Topographic Map Contours
Slope
Number of Contour Lines within a 300 ft. Zone
Category
Average %
5 ft. Contours
10 ft. Contours
1
0%
2%
0
1
0
-
3%
2
5%
7%
2
3
4
1
-
2
8%
3
10%
12%
5
6
7
-
3
-
13%
4
15%
17%
8
9
10
4
-
5
18%
5
20%
22%
11
12
13
-
6
-
6
23%
14
7
Silviculture Best Management Practices 63