|1) MSRMaps topo view (jpg) of Sonoma Peak, Humboldt County, NV.|
|2) Same MSRMaps view sharpened (jpg).|
|3) USGS TNM 2.0 Viewer view (jpg) of about the same area, cropped from original widescreen view (see last two images).|
|4) Cropped TNM 2.0 Viewer view (jpg), sharpened.|
|5) Cropped TNM 2.0, png version.|
|6) Saved portion of Adelaide, Nev 1983 7.5' topo map, from the USGS Map Locator & Download, a png made from a pdf.|
|7) Original USGS TNM 2.0 Viewer view (jpg) of about the same area, wider east-west than north-sourth.|
|8) Same TNM view as previous, but now saved as a png.|
To save TNM images, hit the little printer icon in the upper right area of the screen, then choose from pdf, jpg, or png versions. Then wait a bit, then hit "Link," which opens a pdf, jpg, or png in another browser page. One saves from that page, either through the regular pdf route, or by right-clicking and "Save As." A pdf of this particular map can be seen here.
The TNM 2.0 Viewer has a lot of useful options, which you can explore further on your own.
All maps shown here are courtesy of the USGS.