| daymet_tiles | The DAYMET tiles SpatialPolygonsDataFrame. |
| get_daymet | Download and crop the 1-km DAYMET daily weather dataset. |
| get_ghcn_daily | Download and crop the Global Historical Climate Network-Daily data. |
| get_itrdb | Download the latest version of the ITRDB, and extract given parameters. |
| get_ned | Download and crop the 1 (~30 meter) or 1/3 (~10 meter) arc-second National Elevation Dataset. |
| get_nhd | Download and crop the National Hydrography Dataset. |
| get_nlcd | Download and crop the National Land Cover Database. |
| get_ssurgo | Download and crop data from the NRCS SSURGO soils database. |
| nlcd_canopy_pam | The NLCD canopy PAM attributes. |
| nlcd_impervious_pam | The NLCD impervious PAM attributes. |
| nlcd_landcover_pam | The NLCD landcover PAM attributes. |
| nlcd_tiles | The NLCD tiles SpatialPolygonsDataFrame. |
| pal_nlcd | NLCD colour map palettes |