Where does this definition of geological survey come from?
This entry for geological survey is sourced from GetWord Corpus, one of the dictionaries and corpora merged into Lughet.
Does geological survey appear elsewhere on Lughet?
Yes — geological survey appears under other sources or language pairs in Lughet's collection. See the list below.
What is Lughet?
Lughet is a free trilingual dictionary covering nearly five million entries across Uyghur, Chinese, and English, drawn from more than ten source dictionaries and corpora.