as you can see the 50000 scale map I posted-which covers Ensenada but not erendira mine I dont think -is the only 50000 scale map available so far for Baja-at  least in this selection of Cartas Magneticas de campo total reducio al polo series -which is not surprising- I expected Mex to be 50 years behind the usa on this-which besides the language etc barriers is why i never found much before comparable to the USGS series of topos etc