nhdR0.6.1 package

Convert a bounding box to polygon

Return nhd plus stream network upstream of a waterbody

find_state

Find VPU

Data and spatial polygons of the Great Lakes

Return leaf reaches from a network or query intersecting lake

nhd_dl_state

Download and cache NHD data by state

Return NHD layer metadata and field listing

List available locally cached NHD layers per state

Load NHD layers into current session

Download and cache NHDplus data by vector processing unit

Return NHDplus layer metadata and field listing

List available locally cached NHDplus layers per state

Load NHDplus layers into current session

Select NHDplus features via polygon or circular buffer of coordinate p...

Select NHD features clipped by a circular buffer a coordinate pair

R interface to the National Hydrography Dataset

Select features clipped by a point buffer around a point

Select features clipped by a polygon

Return terminal reaches from collection intersecting lake

Return tip reaches from a network

Re-project to appropriate UTM zone