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get_nhd returns a list of Simple Feature objects extracted from the National Hydrography Dataset.
get_nhd
Simple Feature
get_nhd( template, label, nhdplus = FALSE, extraction.dir = file.path(tempdir(), "FedData", "extractions", "nhd", label), force.redo = FALSE )
A list of sf collections extracted from the National Hydrography Dataset.
sf
An Simple Feature or SpatRaster object to serve as a template for cropping.
SpatRaster
A character string naming the study area.
Extract data from the USGS NHDPlus High Resolution service (experimental)
A character string indicating where the extracted and cropped NHD data should be put.
If an extraction for this template and label already exists, should a new one be created?
if (FALSE) { # Get the NHD (USA ONLY) NHD <- get_nhd( template = FedData::meve, label = "meve" ) NHD NHD %>% plot_nhd(template = FedData::meve) }
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