208 FOREST RF.GULATION 



3. Revisions, ("Revisionen"). 



a. The ten year Revision, ("Hauptrevisionen"). 



1. How far was Working Plan followed and reasons for devia- 

 tions. Examinations of everything done in last ten years and com- 

 parison with Plan for the ten years. 



2. How far has Plan proven satisfactory regarding : Cut ; 

 Thinning; Distribution of Cuts ("Hiebsfolge") ; secondary utili- 

 zation, and improvenients. 



3. Preparation of New Plan. 



b. The five year Revisions, ("Zwischen revisionen''), little 

 more than a case of Special Detail Inspection. 



Ai'PENDix : A few pages dealing with Regulation of large 

 properties (State, etc.) and proper personnel to use in Regulation 

 Work. 



II. MARTIN "FORSTEINRICHTUNG." 



Publ. by Springer, Berlin, 3d ed.. 1910; 28ip. 



Prof. Dr. H. Martin, now at the Forest Academy Tharandt in 

 Saxony, formerly at the Academy of Eberswalde, Prussia, is one of 

 the most traveled, and best known authorities in forestry in Central 

 Europe, not only in matters of Forest Regulation and Statics, but 

 in Silviculture and other branches. 



In his introduction he defines Forest Regulation about as fol- 

 lows : "It comprises the measures necessary to conduct an orderly 

 forest management. Its most important task is the preparation of 

 Working Plans which serve as the basis and guide (Grundlage) of 

 the Management. Regulation forms the most important subject of 

 instruction in the business or management of the forest." He adds : 

 "The most important task of Regulation is to direct the order or 

 progress of the har\'est or cut and removal of the several stands of 

 timber." Also : "The most difficult and yet the most important task 

 in the field work (Vorarbeiten) is a suitable division of the forest 

 into permanent lots (Wirtshaftsfiguren)." 



Part I. Field Work ("Vorarbeiten f. d. lietriebs plane"). 



I. Division of Forest into permanent Lots ("Wirtschafts- 

 figuren"), land Division or "Ort Abtheilung." 



a. Division in level country. 



b. Division in hill and mountain countrv. 



