Were Indian War soldiers ordered to crush empty shell casings so Indians could not reload them?

Were Indian War soldiers ordered to crush empty shell casings so Indians could not reload them? Chuck Doire Healdsburg, California Commanders did order frontier U.S. Army troops not to leave anything behind that could be found by the Indians and made into a weapon. As an example of Indian creativity, during the 1860s, the Sioux ingeniously punched holes in abandoned shell cases and jammed a percussion cap in the hole. They used a small stone as an anvil inside the shell case to explode