178 REPORT OF THE No. 3 



5. That a special type of machine should be designed for this class of work. 

 The machines available at the present time are not entirely suitable in that the 

 operating costs are high and the "performance" low. 



(10) Brush Burning. 



During the winter of 1922-3 an experiment was conducted in the Algonquin 

 Inspectorate to determine the possibilities and probable cost of brush disposal 

 in connection with logging operations. Two gangs of six men, each in charge 

 of a Deputy Chief Ranger, were engaged on this work, one in a pine operation 

 and the other in a pulp operation. In both cases a maximum of slash was 

 produced as everything was taken out from which a log could be obtained. 

 The system of piling and green-burning was followed throughout. 



Little difficulty was experienced in getting the brush to burn, even when 

 wet, although the burning operations should follow the cutting operations as 

 closely as possible to prevent the covering of the slash by snow. 



The cost of an operation of this kind varies with the depth of the snow, 

 condition of the weather, density of the slash, and the attitude and experience 

 of the men engaged on the work. Under conditions similar to those existing 

 on the above area slash from a pine operation should be disposed of at a cost 

 of from seventy-five cents to one dollar per thousand feet, and from a pulp 

 operation at a cost of from forty to fifty cents per cord. 



II. FOREST INVESTIGATION. 



During the past season two large forest survey projects were undertaken. 

 The details of report on these surveys it is hoped will be published at a later 

 date. The following is a summary of the work accomplished. 



MississAGi Forest Survey 



1. Area. — The territory covered in the following report comprises the 

 Mississagi Forest Reserve, in all some 5,100 square miles, but of this area 700 

 square miles is held under timber license and was not surveyed. The Mississagi 

 Reserve may be generally located as lying within the triangle formed by the 

 main line of the C.P.R., the Soo Branch of the C.P.R., and the Algoma Central. 



2. Object. — To obtain an estimate of all standing timber of merchantable 

 size and to prepare a type map showing forest types and drainage systems. An 

 effort was also made to collect data for the construction of composition stand 

 tables, paying most attention to the reproduction in the young growth stands, 

 also measurements were made on white pine for the construction of a volume 

 table based on taper. 



3. Organization. — Field work was organized as a combination of ground 

 estimation and aerial forest type mapping. 



{a) Ground Work. — Five separate parties were employed, made up of 

 twenty-seven forestry men and twelve others as cooks and packers. 

 Work commenced May 22nd to 24th with each party having a specified 

 piece of country for their season's work. For most of the men Sep- 

 tember 20th closed the season. But an extra party was organized to 

 remain another month. 



The strip method was used by the ground parties to obtain type 

 boundaries and representative tallies for the estimate, width of line 



