Pamphlets on Forestry, Volume 31913 |
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Page 2
... measured after being felled by the wood - choppers . The measurements taken on each tree were the D B H , the total height , and the mid DO B of each length of mer- chantable cordwood , stem and limb wood being recorded sepa- rately ...
... measured after being felled by the wood - choppers . The measurements taken on each tree were the D B H , the total height , and the mid DO B of each length of mer- chantable cordwood , stem and limb wood being recorded sepa- rately ...
Page 3
TABLE I TABULATION OF DATA FOR VOLUME TABLE FOR RED MAPLE Based on Measurements taken in 1910 and 1911 in Harvard Forest , Petersham , Mass . Total Height in Feet DBH inches 25 30 35 40 * 50 60 70 80 90 2 3 4.0 4 5 12 1 7 10 Average ...
TABLE I TABULATION OF DATA FOR VOLUME TABLE FOR RED MAPLE Based on Measurements taken in 1910 and 1911 in Harvard Forest , Petersham , Mass . Total Height in Feet DBH inches 25 30 35 40 * 50 60 70 80 90 2 3 4.0 4 5 12 1 7 10 Average ...
Page 4
... measurements were taken in many places and in a wide variety of types , including bottom or swale , pine slope , swamp , and birch and maple coppice . Most of the trees more than six inches DBH were of seedling origin . The volume of ...
... measurements were taken in many places and in a wide variety of types , including bottom or swale , pine slope , swamp , and birch and maple coppice . Most of the trees more than six inches DBH were of seedling origin . The volume of ...
Page 5
... measured is 527. More data must be collected before the results for the diameters above nine inches in the fifty foot height class can be accepted without caution , or completely rejected . The next step in the preparation of the volume ...
... measured is 527. More data must be collected before the results for the diameters above nine inches in the fifty foot height class can be accepted without caution , or completely rejected . The next step in the preparation of the volume ...
Page 6
... Measurements of only nine piles were taken , but the resulting averages , curved , are at least TABLE III TABLE OF FORM FACTORS FOR RED MAPLE Harvard Forest , Petersham Mass . , 1910-11 DBH inches 25 30 35 Total Height in Feet 50 60 70 ...
... Measurements of only nine piles were taken , but the resulting averages , curved , are at least TABLE III TABLE OF FORM FACTORS FOR RED MAPLE Harvard Forest , Petersham Mass . , 1910-11 DBH inches 25 30 35 Total Height in Feet 50 60 70 ...
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Popular passages
Page 5 - Rosenthal, who has received helpful suggestions from the following authorities : Colonel RG Ebert, Department Surgeon, Western Department, United States Army. WA Sawyer, MD, Director of the Hygienic Laboratory of the California State Board of Health. William B. Herms, Assistant Professor of Parasitology, University of California, and Officer in charge of Malaria Investigations, California State Board of Health. Dr. George W. Shaw, Consulting Agriculturist and Land Expert. Symmes, Means & Chandler,...
Page 11 - Every bunk house, tent, or other sleeping place used for the purpose of a lodging or sleeping apartment in such camp shall contain sufficient air space to insure an adequate supply of fresh air for each person occupying such bunk house, tent, or other sleeping place.
Page 26 - ... dig a pit. In short camps not likely to be used again all kitchen waste may be thrown into the pit. but in camps of longer duration it is necessary to strain all dish water, etc., through a box sieve suitably placed over the pit and then to burn all solid matter in the range or incinerator.
Page 8 - Figure 5 (page 11) shows how a well located on high ground may be polluted by the contents of a cesspool lower down. Figure 6 (page 11) shows how a cesspool located on high ground may fail to pollute a well lower down.
Page 23 - A rock pile Incinerator which can be installed very cheaply if rock is available on the ground. This incinerator is suitable for a camp of about two thousand five hundred persons. the wall so as to provide a sloping approach, thereby preventing surface water from gaining access to the pit. Build a pyramid of large stones 4 or 5 feet high in the center to provide a central draft. The heat of the bottom stones evaporates the liquid slops while the solids are soon consumed as fuel for the fire. Precautions...
Page 9 - ... how a cesspool located on high ground may fail to pollute a well lower down. 7. Frequent analyses of the water in use should be made to assure the water's purity. 8. If drinking water is kept in a barrel, the barrel should be cleaned frequently. The water should be drawn from this barrel by a faucet, and a tight cover kept on the barrel to prevent men from dipping in with a cup and also to prevent insects from entering. 9. The use of individual drinking cups should be encouraged among the employees....
Page 18 - Region. 2. Central Coast Region. 4. Interior Valley Region. 5. Mountain and Plateau Region. The Northwest Coast Reg-ion. — This section is mountainous, being covered principally by the Coast Range. The valleys are relatively -small and irregular. The important climatic features of this section are the moderate temperatures throughout the year, the high annual rainfall, and the prevalence of high winds and fogs along the coast. At Eureka in Humboldt County the highest temperature recorded is 85.2...