<choice xmlns="http://www.tei-c.org/ns/1.0"> <abbr>☉</abbr> <expan>Gold-</expan> </choice>Untersuchungen <lb xmlns="http://www.tei-c.org/ns/1.0" />von Herrn <choice xmlns="http://www.tei-c.org/ns/1.0"> <abbr>v</abbr> <expan>von</expan> </choice> <persName xmlns="http://www.tei-c.org/ns/1.0" ref="https://edition-humboldt.de/H0011769 http://d-nb.info/gnd/116691174">Helmer<lb break="no" />sen</persName> und <persName xmlns="http://www.tei-c.org/ns/1.0" ref="https://edition-humboldt.de/H0011946 https://explore.gnd.network/gnd/116951079">Hofmann</persName> <lb xmlns="http://www.tei-c.org/ns/1.0" />1827–1829 <lb xmlns="http://www.tei-c.org/ns/1.0" />von <placeName xmlns="http://www.tei-c.org/ns/1.0" ref="https://edition-humboldt.de/H0017488 https://www.geonames.org/573104">Iremel</placeName> <lb xmlns="http://www.tei-c.org/ns/1.0" />bis <placeName xmlns="http://www.tei-c.org/ns/1.0" ref="https://edition-humboldt.de/H0011128 https://www.geonames.org/1517742">Guberlinski<lb break="no" />sche plateau</placeName> <lb xmlns="http://www.tei-c.org/ns/1.0" />zwischen Fluss <lb xmlns="http://www.tei-c.org/ns/1.0" /><placeName xmlns="http://www.tei-c.org/ns/1.0" ref="https://edition-humboldt.de/H0009660 https://www.geonames.org/478869">Ural</placeName> <choice xmlns="http://www.tei-c.org/ns/1.0"> <abbr>u</abbr> <expan>und</expan> </choice>Ik.