/cgi-bin/koha/opac-search.pl?q=ccl=au%3A%22MacBoyle%2C%20Errol%22&sort_by=relevance&format=rss 2 0 50 ISBN: /cgi-bin/koha/opac-detail.pl?biblionumber=26000 By MacBoyle, Errol.
Sacramento, California State Printing Office, 1920 .
144 p. [4] fold. l. of plates , At head of title: California State Mining Bureau. | "Chapters of State Mineralogist's report, biennial period, 1917-1918" 23 cm..

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]]> /cgi-bin/koha/opac-detail.pl?biblionumber=26000 ISBN: /cgi-bin/koha/opac-detail.pl?biblionumber=26001 By MacBoyle, Errol..
Sacramento, California State Printing Office, 1919 .
2 p. l., 270 p. , At head of title: California State Mining Bureau. | "Chapters of State Mineralogist's report, biennial period 1917-1918." 23 cm..

]]> Place hold on Mines and mineral resources of Nevada County,

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