MHI / M✻ H2 Depletion Time MH2 / M✻ GASS: GALEX Arecibo SDSS Survey HI for 1000 SDSS+GALEX galaxies with M✻ >1010 & 0.025<z<0.05 COLD-GASS: CO Legacy Database for GASS CO(1-0) for 350 representative GASS galaxies xCOLD-GASS: eXtended COLD-GASS Extending COLD-GASS down to M✻ >109 for 530 galaxies total