<div class="description">
<dl><dd>The metadata below describe the original scanning. Follow the "All Files: HTTP" link in the "View the book" box to the left to find XML files that contain more metadata about the original images and the derived formats (OCR results, PDF etc.). See also the &lt;a href="<a rel="nofollow" class="external free" href="https://archive.org/about/faqs.php#140">https://archive.org/about/faqs.php#140</a>" rel="nofollow"&gt;What is the directory structure for the texts?&lt;/a&gt; FAQ for information about file content and naming conventions.</dd>
<dd>Extract from the annual report of the director of the U. S. Geological survey, 1880-81</dd>
<dd>Complete report issued as Monograph of the U. S. Geological survey, vol. I</dd></dl><br>Subjects: Geology; Lakes</div>
<div class="fn value">
Gilbert, Grove Karl, 1843-1918</div>
Internet Archive identifier