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  2. Logging - Wikipedia

    en.wikipedia.org/wiki/Logging

    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.

  3. Underwater logging - Wikipedia

    en.wikipedia.org/wiki/Underwater_logging

    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 ...

  4. Log driving - Wikipedia

    en.wikipedia.org/wiki/Log_driving

    The log drive was one step in a larger process of lumber-making in remote places. In a location with snowy winters, the yearly process typically began in autumn when a small team of men hauled tools upstream into the timbered area, chopped out a clearing, and constructed crude buildings for a logging camp . [ 5 ]

  5. Log cabin - Wikipedia

    en.wikipedia.org/wiki/Log_cabin

    Built in 1640, C. A. Nothnagle Log House, located in Swedesboro, New Jersey, is likely the oldest log cabin in the United States. A conjectural replica of the log cabin in which U.S. president Abraham Lincoln was born, now at the Abraham Lincoln Birthplace Mortonson–Van Leer Log Cabin in New Sweden Park in Swedesboro, New Jersey A replica log cabin at Valley Forge in Pennsylvania A log house ...

  6. Log bucking - Wikipedia

    en.wikipedia.org/wiki/Log_bucking

    A felled and delimbed tree is cut into logs of standard sizes, a process called bucking. A logger who specialises in this job is a buck sawyer. Bucking may be done in a variety of ways depending on the logging operation. Trees that have been previously felled and moved to a landing with a log skidder are spread out for processing. While many of ...

  7. Caliper log - Wikipedia

    en.wikipedia.org/wiki/Caliper_log

    A caliper log is a well logging tool that provides a continuous measurement of the size and shape of a borehole along its depth [1] and is commonly used in hydrocarbon exploration. The measurements that are recorded can be an important indicator of wash-outs, cave ins or shale swelling in the borehole, which can affect the results of other well ...

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    mail.aol.com

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  9. Lumber - Wikipedia

    en.wikipedia.org/wiki/Lumber

    A sawmill with the floating logs in Kotka, Finland. Logs are converted into lumber by being sawn, hewn, or split. Sawing with a rip saw is the most common method, because sawing allows logs of lower quality, with irregular grain and large knots, to be used and is more economical. There are various types of sawing: