Results: 1 - 4 of 4
Feb 05, 2020
Data
… data release is a compilation of organic petrography analysis … links to PDF-format files of organic petrography … Geological Survey (2020): Organic Petrography Dataset; …
Nov 03, 2020
Data
Jun 27, 2011
Open File Report
Feb 28, 1993
Open File Report
… are enriched in humic and other organic acids. These materials are … in soils that are depleted in organic matter. They also appear to …