Gravitational and Magnetic Attraction of 3-D Vertical Rectangular Prisms R package gravmagsubs version 1.0.1 Computes the gravitational and magnetic anomalies generated by 3-D vertical rectangular prisms at specific observation points using the method of Plouff (1976) <doi:10.1190/1.1440645>. Software Imports: Rcpp (>= 1.0.5) LinkingTo: Rcpp Suggests: knitr, rmarkdown, fields, ggplot2, gridExtra, scales, scatterplot3d C. Cronkite-Ratcliff <ccronkite-ratcliff@usgs.gov> Comprehensive R Archive Network (CRAN) C. Cronkite-Ratcliff [aut, cre] (ORCID: <https://orcid.org/0000-0001-5485-3832>), G. Phelps [aut] (ORCID: <https://orcid.org/0000-0003-1958-2736>), D. Scheirer [aut] (ORCID: <https://orcid.org/0000-0001-8015-7072>) CC0 2023-01-25 application/tgz https://CRAN.R-project.org/package=gravmagsubs doi:10.32614/CRAN.package.gravmagsubs