General:
Web Soil Survey: http://websoilsurvey.nrcs.usda.gov/app/
USDA-NRCS Soils: http://soils.usda.gov/
USDA-NRCS Louisiana: http://www.la.nrcs.usda.gov/
Soil Science Society of America: https://www.soils.org/
International Union of Soil Science: http://www.iuss.org/
USDA-NRCS Official Soil Series Descriptions: http://soils.usda.gov/technical/classification/osd/index.html
Technical Resources:
USDA-NRCS Soil Taxonomy: http://soils.usda.gov/technical/classification/taxonomy/
Glossary of Soil Science Terms: https://www.soils.org/sssagloss/
USDA-NRCS Soil Survey Manual: http://soils.usda.gov/technical/manual/
USDA-NRCS Land Resource Regions and Major Land Resource Areas of the United States, the Caribbean, and the Pacific Basin: http://soils.usda.gov/survey/geography/mlra/index.html
USDA-NRCS Soil Survey Laboratory Methods Manual: http://soils.usda.gov/technical/lmm/
Geographic Information System (GIS) Data:
USDA-NRCS Geospatial Gateway: http://datagateway.nrcs.usda.gov/
USDA-NRCS Soil Data Mart: http://soildatamart.nrcs.usda.gov/Default.aspx
ATLAS (Louisiana GIS Gateway): http://atlas.lsu.edu/
TNRIS (Texas GIS Gateway): http://www.tnris.state.tx.us/
Photos:
Twelve Soil Orders: http://soils.ag.uidaho.edu/soilorders/orders.htm
USDA-NRCS Photo Gallery: http://photogallery.nrcs.usda.gov/Index.asp
Employment:
Soil Science Society of America: https://www.careerplacement.org/jobs/
International Union of Soil Science: http://www.iuss.org/