Two issues of the US Geological Survey's professional papers, featuring articles on a variety of geological topics, including mineralogy, petrography, and stratigraphy. These papers are an important resource for geologists and other scientists interested in the geology of...
Two issues of the US Geological Survey's professional papers, featuring articles on a variety of geological topics, including mineralogy, petrography, and stratigraphy. These papers are an important resource for geologists and other scientists interested in the geology of...