Humboldt State University Department of Geology
Geology 550: Maps & Airphotos for Fluvial Processes 

The documents below are in gif, jpeg, or Adobe Acrobat PDF format. You will need the Adobe Acrobat reader or browser plug-in to view the PDF files. You can obtain it for free from this link: Acrobat Reader

Note: If you simply click on the links below, non-pdf images will be displayed in your browser in greatly enlarged fashion. To save the images at their nominal scales, click on the link, hold the mouse button down (right button on a PC), and choose "Save this link as..." in Netscape or "Save target as.." in MS Explorer. Then use Photoshop, ArcView, or some similar image viewer to see the files at their proper scales.

Some of the files have names longer than eight characters. If you are running Windows 95 or earlier, you will need to download these using the "save as" procedure above and rename the file to something 8 characters or shorter, not including the three-letter extension (e.g. .jpg)

Humboldt County rain gage locations (gif)
Map of locations of raingages listed in Humboldt County Rainfall Data
  
Humboldt and Del Norte County isohtyetal map (pdf)
Map of annual rainfall in Humboldt & Del Norte Counties, in inches. From Rantz, S.E. (1964) Surface-Water Hydrology of Coastal Basins of Northern California: USGS Water-Supply Paper 1754
 


Andre Lehre
Last updated: 4 October 2002

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