Humboldt State University Department of Geology
Geology 350: Maps & Airphotos for Geomorphology 

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)

 
Modoc Point and Swan Lake, OR Maps
 
These are 800 ppi scans in JPEG format of the Modoc Point and Swan Lake 15' quadrangles .

Modoc Point map, color (modoc_point_15.jpg) 30489K

Chittenden, CA (Lomerias Muertas) Airphotos

 
These photos of the Lomerias Muertas in the SE quadrant of the Chittenden 7.5' quadrangle were scanned at 600 pixels per inch (ppi) into Adobe Photoshop 5.5 and saved as high quality jpeg files. Because the flight lines run E-W instead of the conventional N-S, the photos have been rotated so that the headers lie along their left margin.
 
USGS 7-21-52 Photos, Series GS-WL, Scale 1:23600 B&W

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Chittenden, CA Map
 
This is a 600 ppi scan in TIFF format of the USGS Chittenden 7.5' quadrangle, saved as a gzip file.
 

Chittenden map, color (chittenden.tif.gz) 7913K

 
Chittenden, CA DEMs
 
The Lomerias Muertas lie in the SW quadrant of the Chittenden, CA 7.5' quadrangle. A 10-m DEM of the quadrangle is available below. Save this to a file; it won't open in any meaningful way in a browser.
 
10 m resolution DEM of Chittenden quad (chittenden.dem) 10270K
 
The 10-m Chittenden DEM is rendered below as a shaded relief image. The Lomerias Muertas lie in the lower-right corner of the image.

10 m resolution DEM of Chittenden quad as an image file (chittenden_dem.jpg) 508K

 

Lomerias Muertas Landslide Oblique Airphotos
 
These are oblique airphotos of the large earthflow on the N flank of Lomerias Muertas, taken from California Division of Minea Bulletin 158 (1952).
 
Lomerias Muertas landslide oblique photos (Lomerias_slide_obliques.pdf) 3.6 Mb
 

Lomerias Muertas Geologic Map

 
This is a 600 ppi scan in JPEG format of Lomerias Muertas and vicinity from the Santa Cruz Sheet of the Geologic Map of California, 1959 ed. Scale is 1:250,000 when printed from Photoshop. It will display on your browser screen greatly enlarged.
 
Lomerias Muertas geologic map (lomerias_muertas_geol.jpg) 1286K
 
 

Andre Lehre
Last updated: 5 October 2005

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