Check if read_excel scraps some information in columns "commentaires"" and others (check warnings when using data2SOMEC and importing a file in SOMEC)
Check for a possible confusion between columns Activite, Comportement and VolEau and what's written in the SOMEC database at the end
Watch out for possible bug in readxl:::xlsx_col_types where sheets seem to be numbered from 0 when in read_excel its from 1
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