I just came across these listings at the State of Nevada Website. I especially like the great city maps for the smaller towns and communities in Nevada. I don't see either Reno or Las Vegas here but if you are looking for detailed city maps of the rural areas, look no further. One can find street names and cemeteries on these great maps and some are in color. At the same location are detailed .pdf maps of all types including historical. As I come across more I'll add them here.
Nevada City Maps .pdf
More misc maps
Historical Nevada Road Maps going back to 1919