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Logs with a higher density than the density of water would sink. [2] Other logs would get caught in jams, sloughs, or floods, and become lodged in the riverbed. Such logs were often known as "sinkers" or "deadheads." Loggers attempted to reduce the number of logs which remained in the river in order to maximize profits, but some losses were ...
There the logs were decked onto "rollways." In spring when snow thawed and water levels rose, the logs were rolled into the river, and the drive commenced. [6] To ensure that logs drifted freely along the river, men called "log drivers" or "river pigs" were needed to guide the logs. The drivers typically divided into two groups.
In the early days, felled logs were transported using simple methods such as rivers to float tree trunks downstream to sawmills or paper mills. This practice, known as log driving or timber rafting, was the cheapest and most common. Some logs, due to high resin content, would sink and were known as deadheads.
Water from springs is usually clear. However, some springs may be colored by the minerals that are dissolved in the water. For instance, water heavy with iron or tannins will have an orange color. [3] In parts of the United States a stream carrying the outflow of a spring to a nearby primary stream may be called a spring branch, spring creek ...
Clearcutting is a forestry practice that mimics the stand initiation stage of forest succession after a natural disturbance such as stand replacing fire or wind-throw, and is successful for regeneration of fast growing, sun tolerant tree species and wildlife species that readily regenerate in post-stand replacing sites. [3]
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Well logging, also known as borehole logging is the practice of making a detailed record (a well log) of the geologic formations penetrated by a borehole.The log may be based either on visual inspection of samples brought to the surface (geological logs) or on physical measurements made by instruments lowered into the hole (geophysical logs).
Fill the sink halfway with hot water. Place the plunger over the drain and pump up and down a few times. Remove the plunger and observe whether the water drains.