Convert between Land Resource Region (LRR) or Major Land Resource Area (MLRA) Symbols and Names

Helper functions for converting between symbols and names associated with Land Resource Regions (LRR) or Major Land Resource Areas (MLRA) using the internal dataset lrrmlra.

Usage

mlra_to_lrr(x)

mlra_to_mlraname(x)

mlraname_to_mlra(x)

lrr_to_mlra(x, simplify = TRUE)

lrr_to_lrrname(x)

lrrname_to_lrr(x)

lrrmlra_match(x, a)

Arguments

x

character. Vector LRR or MLRA symbols or names.

simplify

logical. If result is a list, and x is length 1, return a character vector. Default: TRUE

a

character. Used only for lrrmlra_match(). Column name in lrrmlra to match x against.

Value

character or list. Vector of LRR or MLRA symbols or names corresponding to x.

References

United States Department of Agriculture, Natural Resources Conservation Service. 2022. Land resource regions and major land resource areas of the United States, the Caribbean, and the Pacific Basin. U.S. Department of Agriculture, Agriculture Handbook 296. Available online: https://www.nrcs.usda.gov/resources/data-and-reports/major-land-resource-area-mlra

See also

lrrmlra

Examples

mlra_to_lrr(c("18", "22A"))
#> [1] "C" "D"

mlra_to_mlraname("18")
#> [1] "Sierra Nevada Foothills"

mlraname_to_mlra("Sierra Nevada and Tehachapi Mountains")
#> [1] "22A"

lrr_to_mlra("C")
#> [1] "14" "15" "16" "17" "18" "19"

lrr_to_lrrname("D")
#> [1] "Western Range and Irrigated Region"

lrrname_to_lrr("California Subtropical Fruit, Truck, and Specialty Crop Region")
#> [1] "C"