read_gkcn: Read layer from GNIS_NAME, WATERSHED_KEY,...
In poissonconsulting/fwabc: Read Data from the BC Freshwater Atlas

Read layer from GNIS_NAME, WATERSHED_KEY, WATERSHED_GROUP_NAME or WATERSHED_GROUP_CODE

1	read_gkcn(...)

`x`	A vector of valid GNIS_NAME, WATERSHED_KEY, WATERSHED_GROUP_NAME or WATERSHED_GROUP_CODE. If NULL, entire dataset is read.
`named_only`	A flag indicating whether to only include features with GNIS_NAME.
`tributaries`	A flag indicating whether to read all tributaries in addition (only applicable if x is GNIS_NAME or WATERSHED_KEY).
`crs`	The epsg code for the coordinate reference system. Defaults to '3005' (B.C. Albers). See https://epsgi.io.
`collect`	A flag indicating whether to collect result.
`check`	A flag indicating whether to check that x is valid.
`input_type`	A character string of the column name to filter x by. If NULL, input_type is guessed. This is useful if input is both GNIS_NAME and WATERSHED_GROUP_NAME, e.g. 'Skagit River'.