MICHIGAN'S SHIFTING SANDS. 



25 



and possible future utilization. In ninny places nut trees can I,,- handled 

 In advantage where heavier soils ai-e found underhiim the sand In 

 some blows, orchards might be maintained on the strips between (he 

 barriers, II seldom is advisable to use annual crops upon these strips 

 Once established a tree canopy should alwavs exist. When a break 

 occurs through the opening of a gap in a barrier, for road or sired 

 the soil exposed should be paved or sodded (o prevent excavation bv (he 

 wind. The later management of the forest must be bv a conservai ive 

 selection removal of individual trees and never bv clear cut I ing. 



> t J ' A '* A * i A J i* a ^.\ /V . a ' 1 .' l . J 4 " ' * "j 4 . ' 

 * fi * * *4*** A ^** */ 6 ' 4 '**^ ' * .'' *'*.* A 



Fig. 15. Diagram of Shelter I'.elt ^lethod. 



a l'.arrier o!' rubbish and waste. 

 b Beach grass planting. 

 c Willow cuttings. 



cuttings, or rooted sets. 



Conifer planting. 

 Contour lines. 



KNTIHK COVKR .MKTllOIt. 



This system of dune reclamation is applicable either Avhere immediale 

 cover is required, where future values justify the expense of immediale 

 and heavy planting, or where sullicienl funds are available for the com- 

 pletion of the work, in some cases extensive areas of valuable properly 

 are in the immediate path of a rapidly traveling dune. Ki\ 111 shows a 

 cemetery lyinj;' in the ]>ath of an interior blow, reclamation of which 

 might justify the expenditure of lariie sums for <|ui<-k control. On 

 smaller dunes (his method is especially applicable, as where a city or 

 town may be the unit doing the control work. Municipal organizations 

 are usually in a position to purchase such areas if they are held by pri- 

 vate parties who refuse to control (hem. Such steps seem advisable, 

 since, when once under control these areas become valuable park or 

 municipal forests. The planting of such areas would best be done by 



