42 Forestry Quarterly. 



When the board has been orientated all the features to be mapped can be 

 located from this set up for the four surrounding squares. The pacing 

 should be carefully done and figured to the nearest link. When a tree or 

 other feature is near the set up it should be paced to from that point 

 otherwise the stakes bounding the surrounding squares can be used and the 

 number of links, north, south, east, or west to the object can be given. If 

 a scale of one inch to the chain is used the entire plot can be mapped on 

 one sheet, if a larger scale is used the map will have to be divided into two 

 or more parts; a 6 or 7 H pencil should be used. After all of the four 

 squares have been mapped from a single set-up the traverse board is moved 

 two chains in any direction within the plot ; the board orientated and that 

 set-up mapped. Where a plot is an odd number of chains in width a strip 

 3 chains in width will, of course, have to be mapped from one of the lines 

 of set-ups. 



The following features should appear on the map : 



1. Corners and winesses. 



2. All trees (of commercial species) over 4 inches in diameter breast 

 high outside bark with appropriate symbols (where the tree species are not 

 too numerous) and their corresponding numbers. 



3. Seedlings over one foot in height and over 15 feet apart as individuals 

 and with appropriate symbol. 



4. SeedHngs over one foot in height, between 8 and 15 feet apart as 

 groups of fair reproduction indicated by a symbol. 



5. Seedlings over one foot in height, less than 8 feet apart, as groups of 

 good reproduction, indicated by a symbol. 



6. Brush piles, burned or unburned, burned or scattered brush, all indi- 

 cated by separate symbols. Down trees, similarly. 



7. Seedling count strips or plots. 



8. Contours, roads, fire lines, drainage, etc. 



9. Prevaihng wind direction. 



10. Area of plot. 



11. Local compass variation. 



12. Stumps with corresponding diameters, outside bark. Each species 

 should be mapped separately. 



13. Legend. 



14. Areas covered with brush or non-commercial species. In some 

 instances where tree growth is dense this has to be made on a separate 

 map. 



15. Location and direction of photographs taken. 



Seedling Count Strips. — Strips five feet (or 8 links) in width should be 

 laid out across the major dimension of each reproduction plot and all of 

 the growth located and measured ; such a strip includes about 8% of the 

 total plot area. By making the length of these strips 33 feet only 3 

 additional stakes are needed to mark their boundaries on each one-chain 

 square and a 50 foot tape can be used for the locations ; if the seedlings are 

 not dense a strip 66 feet long can be measured with a 100 foot tape. It is 

 preferable to make notes of the size, species and location of each seedling, 

 including those one year old. All growth, including one year seedlings, 

 should be mapped to the nearest tenth of a foot two ways from a stake and 

 their height taken to the nearest inch. 



Injuries to seedling from browsing of stock should be noted in every 

 case. 



Where seedlings were fairly common a scale of 4/10 inch to i foot has 

 been used but in most instances a scale of 8/10 inch to i foot will be 

 found satisfactory. In making the map in the office from the field notes, 

 a piece of co-ordinate paper (ruled 10 squares to the inch) will aid 

 materially in plotting positions of objects on the tracing line. 



