Silt and clay continued to move over and through the Sand Hills until saltating sand dropped out of the system at river valleys and other topographic barriers along the southeastern margin of the ...

Many people are dissatisfied with the soil in their garden. The most common complaint is that the soil is either too sandy or ...

PHILADELPHIA — Professional baseball has a strange pre-game ritual that’s been happening for almost 100 years: rubbing each ...

The Pan gradually dried up through evaporation 2 to 10 million years ago when climatic changes and topographic movements caused the Kunene river to ... greenish-white clay, silt and mineral ...

Few words distressed navigators more than “the bar” — referring to the sandbar that regularly obstructed the mouth of the ...