HOWELL, D. J., a,
District Building. Alexandria, Va.
HUBBARD, GARDINER G., a,
1328 Connecticut Avenue.
HYDE, G. E.,
Geological Survey. 330 Spruce Street, Le Droit Park.
IARDELLA, C. T., a,
Coast and Geodetic Survey. 1536 I Street.
JENNINGS, J. H., a,
Geological Survey. 824 I Street NE.
JOHNSON, A. B., a,
Light House Board. 501 Maple Avenue, Le Droit Park.
JOHNSON, J. B.,
Howard University. 2460 Sixth Street.
JOHNSON, S. P.,
Geological Survey. 501 Maple Avenue, Le Droit Park.
JOHNSON, W. D., a,
Geological Survey. 501 Maple Avenue, Le Droit Park.
JUNKEN, CHARLES,
Coast and Geodetic Survey. 140 B Street NE.