triangulation by J.E. Hilgard ... [and others] ; topography by J.S. Williams, J.M. Wampler, & J.A. Sullivan ; hydrography by the parties under the command of A.S. Baldwin, T.A. Craven & E.J. De Haven ; redd. drng. by A. Balbach, A. Schoepf & W. Wagner ; engd. by J.V.N Throop & R.T. Knight