TWEEDY, FRANK, a,
Geological Survey. 1311 M Street.

URQUHART, CHAS. F., a,
Geological Survey. 1538 I Street.

VASEY, DR. GEORGE, a,
Department of Agriculture. 2006 Fourteenth Street.

VINAL, W. I., a,
Coast and Geodetic Survey. 152 D Street SE.

VON HAAKE, ADOLPH,
Post Office Department. 1215 L Street.

WALCOTT, C. D., a,
Geological Survey. 418 Maple Avenue, Le Droit Park.

WALLACE, HAMILTON S., a,
Geological Survey. 1813 M Street.

WARD, LESTER F., a,
Geological Survey. 1464 Rhode Island Avenue.

WEED, WALTER H., a,
Geological Survey. 825 Vermont Avenue.

WEIR, J. B., a,
1602 L Street.