Return NHDplus layer metadata and field listing
nhd_plus_info(vpu, component, dsn, file_ext = NA)
A column-wise summary of an sf/foreign read from the specfied layer
numeric vector processing unit
character component name
character data source name
character choice of "shp" for spatial data and "dbf" for non-spatial. optional
if (FALSE) { nhd_plus_info(vpu = 4, component = "NHDSnapshot", dsn = "NHDWaterbody") nhd_plus_info(vpu = 1, component = "NHDPlusAttributes", dsn = "PlusFlow") }
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