This study investigated the laboratory performance of crumb rubber modified
mixtures compared to a standard bituminous mixture using performance based test
procedures. This study was part of an asphalt resurfacing program for the Seattle
Washington area. Laboratory analyses were used to estimate the long term pavement
performance of these mixtures...
Because studies of forestry effects on wetlands have been so infrequent in the Pacific Northwest, each section in this report drew heavily from studies of forestry impacts to streams and riparian zones. After assembly and synthesis, that information was extrapolated, mostly in the form of hypotheses, to the very different...
Site 35J04 is located on the south bank of the Rogue River, four
miles west of Grants Pass, Oregon. Excavation of the site was conducted
in 1976 by Oregon State University under contract to the Corvallis
branch of CH2M/Hill.
Eight artifact assemblages were distinguished during the analysis
of the site....
With over 800 languages spoken on the continent of
Africa, inter-cultural communication has always been difficult.
In addition, many of the peoples of Africa have
experienced colonial oppression. Various powers have
sought to interfere with intra-cultural dialogues and the
free flow of information. Their effectiveness, however,
was limited because of...
Corn has been produced in Thailand for many years, but it has
risen to prominence during the past ten years. By 1960, corn had became
the third most important export crop of Thailand. It was exceeded
in value by only rice and rubber.
From 1950 to 1964, Thai corn production...