Alva Review-Courier -

CONVENT, La. (AP) — A major oil company is taking steps to honor once-forgotten slaves buried on its land west of New Orleans in an area where sugar plantations once abounded, an effort that some hope will grow into a larger movement to recognize and protect such cemeteries around the country.

The Shell Oil Company marked, blocked off and spruced up the tracts near its Convent refinery west of New Orleans and held dedication ceremonies in March, about five years after archaeologists confirmed the presence of slave burial grounds in 2013. The company also has been working with the nearby River...