. Studies in French forestry . Forests and forestry. ^. .,, ^^ ^^3 ilMk^i^a^^ ^^^^^^S l^g 1^^ ^ ^^K H '^^^ ^M ll^^^l ^P kH^^^^^KS^^ |^^BpB| j^^^^^^^BBBaBg|^^ ^W^^^JE J ffi m ^S ^ ^# ^^^^^m ^^M ^^^^^^s ^^g 1 ^H mi ^^m s |jP^j§ bI^^^ubgSS^S P^^^3^^ M^KS^^^a^^^^^^ ^^^t^Se i ^E H ^^Offi ^^8 P ^ ^^H Hi ^^^^w ^s Fig. 11 (o). — Retaining walls on a hillside that had been slipping down. (French official photograph.) (6). — Walls to prevent avalanches (at top) with an inspection trail ia the fore- ground. (French official photograph.) (c). — Walls to prevent avalanches. (French official photograph.)


. Studies in French forestry . Forests and forestry. ^. .,, ^^ ^^3 ilMk^i^a^^ ^^^^^^S l^g 1^^ ^ ^^K H '^^^ ^M ll^^^l ^P kH^^^^^KS^^ |^^BpB| j^^^^^^^BBBaBg|^^ ^W^^^JE J ffi m ^S ^ ^# ^^^^^m ^^M ^^^^^^s ^^g 1 ^H mi ^^m s |jP^j§ bI^^^ubgSS^S P^^^3^^ M^KS^^^a^^^^^^ ^^^t^Se i ^E H ^^Offi ^^8 P ^ ^^H Hi ^^^^w ^s Fig. 11 (o). — Retaining walls on a hillside that had been slipping down. (French official photograph.) (6). — Walls to prevent avalanches (at top) with an inspection trail ia the fore- ground. (French official photograph.) (c). — Walls to prevent avalanches. (French official photograph.) 159. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Woolsey, Theodore Salisbury, 1879-; Greeley, William Buckhout, 1879-. New York : Wiley


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Keywords: ., bookcentury1900, bookdecade1920, booksubjectforestsandforestry