Sand and Gravel in the ArcGIS StoryMaps
22 11 2022 · Sand and gravel resources can be mined from a variety of depositional settings such as floodplains alluvial fans shorelines and sand dunes although river channels and glacial deposits are the most important Yeend 1973 Sutphin et al 2022 Walther 2022 These deposits can be modern active or preserved in the stratigraphy