LIPPINCOTT, J. BARLOW,
Geological Survey. 1802 M Street.
LONGSTREET, R. L., a,
Geological Survey. 1536 I Street.
LOVELL, W. H.,
Geological Survey. 413 Spruce Street, Le Droit Park.
MCCORMICK, JAMES,
Geological Survey. 1001 Eleventh Street.
MCGEE, W. J., a,
Geological Survey. 2410 Fourteenth Street.
MCGILL, MISS MARY C.,
336 C Street.
MCKEE, R. H., a,
Geological Survey. 1753 Rhode Island Avenue.
MCKINNEY, R. C., a,
Geological Survey. 1120 Thirteenth Street.
MAHER, JAMES A., a,
Johnson City, Tenn.
MANNING, VAN. H., JR., a,
Geological Survey. 1331 N Street.