Extinction maps toward the milky way bulge: Two-dimensional and three-dimensional tests with apogee

M. Schultheis, G. Zasowski, C. Allende Prieto, F. Anders, R. L. Beaton, T. C. Beers, D. Bizyaev, C. Chiappini, P. M. Frinchaboy, A. E. García Pérez, J. Ge, F. Hearty, J. Holtzman, S. R. Majewski, D. Muna, D. Nidever, M. Shetrone, D. P. Schneider