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  1. 1
    The effects of highway construction on sediment discharge into Blockhouse Creek and Steam Valley Run, Pennsylvania /
    by Hainly, Robert A.
    Published 1980
    Subjects: “...Roads Design and construction Environmental aspects Pennsylvania Blockhouse Creek....”
    Government Document Book
  2. 2
    Sediment characteristics of five streams near Harrisburg, Pennsylvania, before highway construction /
    Subjects: “...Roads Pennsylvania Harrisburg Region....”
    Government Document Book
  3. 3
    Suspended-sediment discharge in five streams near Harrisburg, Pennsylvania, before, during, and after highway construction /
    by Reed, Lloyd A.
    Published 1980
    Subjects: “...Roads Pennsylvania Harrisburg Region....”
    Government Document Book
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