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data providers may use the additional values for pre-cambrian rocks and quaternary units specified in the inspire technical guidance document on geology.
az adatszolgáltatók használhatják az inspire földtanról szóló műszaki útmutató dokumentumában a prekambriumi kőzetekre és a negyedidőszaki egységekre vonatkozóan meghatározott további értékeket is.
*"cambrian faunas of china", (1905) from the proceedings of the united states national museum, vol.xxx.
*"cambrian faunas of china", (1905) from the proceedings of the united states national museum, vol.xxx.
*"fossil medusa", (1898) monographs of the united states geological survey; no.30, 201 p.*"geology of the eureka district, nevada, with an atlas", (1892) monographs of the united states geological survey; no.20, 419 p.*"the north american continent during cambrian time", (1892) extract from the 12th annual report of the director of the u.s. geological survey, 1890–91, pt.
*"fossil medusa", (1898) monographs of the united states geological survey; no.30, 201 p.*"geology of the eureka district, nevada, with an atlas", (1892) monographs of the united states geological survey; no.20, 419 p.*"the north american continent during cambrian time", (1892) extract from the 12th annual report of the director of the u.s. geological survey, 1890–91, pt.