def get_loc_lab(lat, lon):
    """Construct the USGS location label

    Construct a lat/lon location label such as n01e002 that is part of the
    labels used by the "Staged Products" HTTPS web directory access for USGS
    1-arcsecond DEM TIFF files.

    Args:
        lat (int): Latitude
        lon (int): Longitude

    Returns:
        str, label describing lat/lon cell
    """
    return ("sn"[lat > 0] + f"{abs(lat):>02d}"
            + "we"[lon > 0] + f"{abs(lon):>03d}")