with blades in successive passes over working areas to remove topsoil, vegetation, or rocks or to distribute and level earth... and procedures. 16.) Perform additional duties as required or directed by their immediate supervisor or other manager. 17...
with blades in successive passes over working areas to remove topsoil, vegetation, or rocks or to distribute and level earth... and procedures. 16.) Perform additional duties as required or directed by their immediate supervisor or other manager. 17...