Timeline of US Published Soil Surveys

This dataset contains the years of each US Soil Survey was published.

Format

A data.frame with 5209 observations on the following 5 variables.

• "ssa": Soil Survey name, a character vector

• "year": Year of publication, a numeric vector

• "pdf": Does a manuscript PDF document exist? a logical vector

• "state": State abbreviation, a character vector

Source

https://www.nrcs.usda.gov/wps/portal/nrcs/soilsurvey/soils/survey/state/

Details

This data was web scraped from the NRCS Soils Website. The scraping procedure and a example plot are included in the examples section below.