Trent R. Logan

Links

Just stuff I find useful or interesting...

• USDA, Soil Survey Technical Note 5: Assessing Carbonates in the Field with a Dilute Hydrochloric Acid (HCl) Solution
• IUPAC Periodic Table of Elements
• CA.gov Fault Activity Map of California
• pubs.usgs.gov Landforms of the Conterminous United States - A Digital Shaded-Relief Portrayal