Bulletin of the United States Geological Survey No. 90 Page: Front Inside
The following text was automatically extracted from the image on this page using optical character recognition software:
Here’s what’s next.
This report can be searched. Note: Results may vary based on the legibility of text within the document.
Tools / Downloads
Get a copy of this page or view the extracted text.
Citing and Sharing
Basic information for referencing this web page. We also provide extended guidance on usage rights, references, copying or embedding.
Reference the current page of this Report.
Powell, J. W.; Clarke, F. W. & Schneider, E. A. Bulletin of the United States Geological Survey No. 90, report, 1892; Washington D.C.. (https://digital.library.unt.edu/ark:/67531/metadc1115044/m1/2/: accessed April 25, 2019), University of North Texas Libraries, Digital Library, https://digital.library.unt.edu; crediting UNT Libraries Government Documents Department.