Kahana Stream runs brown in December 2016. -- DANA REED photo “The overwhelming majority (of pollution) is coming from agricultural fill terraces inside the valley,” Moore said. “Those ...

Active fold-propagation fold developed in Neogene red beds at the margin of NE Tibet (Qilian Shan). Two fill-cut terraces, which are partially covered by a thin loess blanket and alluvial fans, are ...