Life Sciences Commons^™

Aspen Management Problems Of The Lake States, Z.A. Zasada

Aspen Bibliography

No abstract provided.

The Development Of The Cedar Creek Forest Natural History Area, Arthur N. Wilcox

Journal of the Minnesota Academy of Science

No abstract provided.

How To Control Undesirable Trees And Shrubs, Maurice W. Day

Aspen Bibliography

No abstract provided.

Labor Racket Or Company Bracket?, Bill Gettings

Ina and Noel Harris Collection

Pamphlet as distributed by CIO Union commenting on CIO and Redwood Lumber Association in Humboldt and Mendocino counties.

Includes statistics on common and skilled labor pay (organized areas vs. Redwoods). Advertises for open meeting for lumberworkers that will be held at CIO hall, 130 F St.

Issued by: Bill Gettings, CIO Organizer

Rate Of Deterioration Of Beetle-Killed Engelmann Spruce, James L. Mielke

The Bark Beetles, Fuels, and Fire Bibliography

Examination of beetle-killed stands in Utah and Colorado indicate that dead Engelmann Spruce will remain standing and sound for at least 20 years.

Optimization Of Parameters For Soft-Nip Calendering Of Uncoated Paper, Jung-Kyu Yang

Paper Engineering Senior Theses

The major reason for calendering is to impart both smoothness and gloss on paper. Smoothness, which is the degree of flatness of the surface, and gloss, which is a measurement of light reflectance, are unrelated parameters. However, both smoothness and gloss are related to printing process. Strength properties affect the printing machine runability. In general, calendering reduces strength properties of the paper. The degree of finish obtained in a soft-nip calendering depends on characteristics of the paper, such as moisture content and type of filling materials. The purpose of this study is to determine the best conditions for soft-nip calender …

Influence Of Eastern Redcedar On Soil In Connecticut Pine Plantations, Laurence C. Walker, R.A. Read

Faculty Publications

Physical and chemical properties of surface soil beneath eastern redcedar trees in pine plantations in Connecticut were found to be different from those beneath adjacent pines. Properties of the surface soil beneath redcedars were apparently influenced by the specific chemical nature of the cedar leaflitter, its decomposition products, and subsequent' incorporation in the soil by earthworms.

Ecology And Silviculture Of Whitecedar And Associated Hardwoods In Southern New Jersey, Silas Little Jr.

Yale School of the Environment Bulletin Series

No abstract provided.

Dimension Stock And Other Uses Of Aspen, Alexis J. Panshin

Aspen Bibliography

Utilization of aspen for pulpwood, excelsior bolts, veneer logs and lumber has increased steadily during the past 10 years. This was particularly true during the war years when, because of the scarcity of other timber, aspen entered many new phases of utilization. In the lumber field alone the wider acceptance of aspen has been reflected in an increase in the annual production from 67 million board feet in 1941 to 152 million board feet in 1946. It is estimated, however, that aspen stands in the Lake States can provide an annual cut of at least 300 million board feet of …

Marketing Of Aspen, Zigmond A. Zasada

Aspen Bibliography

The Lake States timber industry did a creditable job of producing and using considerable volumes of aspen during the war years. At that time it was shown that aspen could fill a variety of uses satisfactorily. However, improved marketing techniques are needed if present aspen stands are to be fully and profitably utilized. The aim of this paper is to call the attention of owners and producers of aspen to some of the points to be considered to improve marketing.

Aspen For Excelsior, Hereford Garland

Aspen Bibliography

The use of aspen for the manufacture of excelsior is well established in the Lake States. The properties of the wood make it suitable for this general use, and there are adequate supplies available for increased productive capacity. The process of manufacturing excelsior is relatively uncomplicated, and the production equipment is simple and relatively low in cost. That the industry is not more extensive is obviously due to limitations in markets for excelsior. Expansion of the industry depends primarily upon the development of new uses and new products having excelsior as a base.

Winter Damage And Seed Source Of Planted Pines In Northern Minnesota, Paul O. Rudolf

Journal of the Minnesota Academy of Science

No abstract provided.

Forest Resources And Industries Of Missouri, D. B. King, E. V. Roberts, R. K. Winters

United States Department of Agriculture, Forest Service / University of Nebraska-Lincoln: Faculty Publications

Missouri's forests occupy more than 15 million acres, one-third of the land area of the state. Practically all of this area is classified as commercial forest land. The noncommercial forest lands aggregate less than 1 percent of the total forest area. Two-thirds of all the commercial forest land is in the rugged Ozark region south of the Missouri River. Ninety percent of the commercial forest land is privately owned and is almost equally divided between farm and nonfarm owners. The Clark and Mark Twain National Forests contain 8 percent of the total, and the remaining 2 percent is divided between …

Growth Of Aspen Following Partial Cutting, F.R. Herman

Aspen Bibliography

No abstract provided.

Growth Of Trembling Aspen In Relation To Ground Water And Soil Organic Matter, S.A. Wilde, D.T. Pronin

Aspen Bibliography

No abstract provided.

Aspen Lumber Grades And Characteristics, Zigmond A. Zasada

Aspen Bibliography

While most hardwood and softwood lumber usually is graded, aspen lumber is not. On the contrary, it is usually sold by the sawmill to the wood manufacturing plant on a mill-run basis. Plants which saw aspen lumber for their own use rarely apply standard grades in sorting the lumber. They usually separate the "usable" from the "cull" lumber, basing their grade breakdown upon the minimum quality acceptable in their manufacturing process. Manufacturers who use only certain grades of aspen lumber, and who buy it on the open market, have been unable to locate sources from which graded aspen lumber is …

Logging Methods And Peeling Of Aspen, T. Schantz-Hansen

Aspen Bibliography

The logging of forest products is influenced by many factors, including the size of the trees, density of the stand, the soundness of the trees, size of the area logged, topography and soil, weather conditions, the degree of utilization, the skill of the logger and the equipment used, the distance from market, etc. Each of these factors influences not only the method of logging but also the costs. The purpose of this paper is not to cover in detail the effect of each of these variations, but to deal with some of the major problems typical to logging aspen. Well …

The Preservative Treatment Of Aspen, Frank H. Kaufert

Aspen Bibliography

Aspen is one of our least durable woods and is known to deteriorate or rot rapidly under conditions favoring decay. Records on aspen used under moist and severe decay conditions have shown that serious decay and failure of the product may develop in three to four years. Some present and potential uses for aspen involving conditions favorable to decay and in which this lack of natural durability is a factor are: (1) fence posts, (2) railroad cross ties, (3) mine timbers, (4) planking for secondary bridges, (5) sills and other construction members in buildings, (6) the lower logs of log …

Aspen For Veneer, Hereford Garland

Aspen Bibliography

In considering possible uses for the large supply of aspen in the Lake States, veneer and plywood manufacture should not be overlooked. Although aspen is not currently in great demand as a veneer species, the reason is not because of technical deficiencies of the wood for this purpose, but rather because there is no appreciable veneer industry in the region adapted for using aspen as small logs, the form in which it is most available.

Rafting Days On The Mississippi, Bernhardt J. Kleven

Journal of the Minnesota Academy of Science

No abstract provided.

Aspen Defiberization And Refining Of Product, Robert Craig Jr.

Aspen Bibliography

Because of the great demand for wood fiber and because there is an abundance of aspen available¹/ for this purpose, its conversion into a usable fiberized material offers possibilities. It also affords an outlet for low-quality bolts developed in any aspen logging operation or from land of poor quality.

Logging Costs Of Aspen [Populus Tremuloides], Z.A. Zasada, P.J. Zehngraff

Aspen Bibliography

No abstract provided.

Aspen: The Utility Timber Crop Of Utah, James D. Curtis

Aspen Bibliography

No abstract provided.

Chemical Utilization Of Aspen, Geo J. Ritter, Ralph L. Hossfeld

Aspen Bibliography

Chemical utilization of raw materials depends largely on the chemical composition and the chemical and physical properties of the raw materials under consideration. The utilization of wood is no exception to this principle. Thus, a wood having a low percentage of cellulose is uneconomical as a source of wood sugar or pulp for paper; and one of an excessively knotty character is undesirable for chemical conversion Woods having several undesirable characteristics generally fall within the classification of species little used for the purpose. Fortunate! aspen falls outside this class.

Aspen Lumber For Building Purposes, Louis W. Rees

Aspen Bibliography

Recent shortages of lumber for building purposes make it desirable to seek out all possible supplies of additional lumber. Aspen, according to a study made in northern Minnesota during 1944, ¹/ may be a source of lumber largely untapped. The results of that study are the main basis of this paper.

Seasoning Of Aspen, Harvey H. Smith

Aspen Bibliography

Aspen is nor; the major forest type in the Lake States, and extensive stands are reaching maturity. Increasing quantities are being cut, and much is nor; being put to new and more exacting uses that require better air - seasoning and kiln-drying practices. The recent favorable market for green aspen lumber appears to be falling off, and the time may soon come when operators are no longer able to move green aspen. Such a change can be met by manufacturing better-quality aspen lumber and by carefully seasoning it to the desired moisture content to make it more acceptable. This report …

Machining And Related Properties Of Aspen, Edward M. Davis

Aspen Bibliography

Aspen occupies 20 million acres of Lake States timber land, or 39 percent of the total forest area. In 1945 there were 6 1/3 billion feet of aspen saw timber 9 inches d.b.h. and larger, and a larger cubic volume of smaller material. The cut of aspen lumber was 152 million board feet in 1946, and the forest could sustain a much larger annual cut.

Aspen For Pulp And Paper, E. R. Schafer

Aspen Bibliography

Although the use of hardwoods for pulp and paper manufacture has increased considerably during recent years in the Lake States, the pulpwood consumed in this region consists largely of softwood species of which about one quarter is obtained from foreign sources. The wood resource, on the other hand, is comprised to a large extent of hardwoods, predominantly aspen, with the maples, oaks, and several other species available in lesser amounts. The present stand of aspen in the Lake States is estimated at nearly 20 million acres with a total volume of merchantable timber of about 32 1/2 million cords. The …

Milling Of Aspen Into Lumber, C. J. Telford, F. B. Malcolm

Aspen Bibliography

In the manufacture of aspen lumber, the costs of stumpage and logging approximate 65 per cent of the total, and milling and sales 35 per cent. Milling efficiency is essential, but by itself it is not assurance of a profitable operation.

Aspen For Cabin Logs, Albert W. Sump

Aspen Bibliography

A plentiful supply of pine and cedar logs provided the early settlers of this country with a cheap and durable material for the construction of their homes and farm buildings. Only the axe and the ingenuity of the pioneer were needed to erect a shelter against the elements of nature. Early in the 19th century, the circular saw came into use resulting in a change in building construction. The pine stands in New England and in the Lake States, considered inexhaustible in the 19th century, were converted to lumber to construct buildings necessary for the rapid development of the country. …