Secretary Langley with Others Survey Zoo Grounds, by Unknown, c. 1888, Smithsonian Archives - History Div, Secretary Samuel P. Langley with others survey the grounds of the newly established National Zoological Park. In the photograph, left to right, are Mr. Olmsted's assistant; James W. Traylor; C. W. Schuermann; Frederick Law Olmsted; Dr. Frank Baker; Secretary Langley; William Temple Hornaday; Harry W. Dorsey; and W. C. Winlock. The George Brown Goode house appears in the far right of the photograph on the former Columbia Road..