2 SCIENCE GOALS
2.1 Identify the Galaxies Associated with the Gas Traced by Absorption
2.2 Map the CGM Metal Distribution
2.3 Constrain the Dynamical Structure of Gas Flows in the CGM
2.4 Establish a Census of the Condensed CGM Baryons

3 SURVEY DESIGN
3.1 The Primary Targets
3.2 Additional Absorbers
3.3 The Galaxy-selected Sample
3.4 Supplementary Science Targets

4 OBSERVING STRATEGY
4.1 Optical Integral Field Spectrograph VLT/MUSE Observations
4.2 ALMA mm Observations
4.3 HST Broad-Band Imaging

5 MUSE-ALMA HALOES DATA PROCESSING
5.1 Optical Integral Field Spectrograph VLT/MUSE Cubes
5.2 ALMA mm Cubes
5.3 HST Broad-Band Imaging

6 SEARCHING FOR EXTRA-GALACTIC OBJECTS
6.1 Detecting Emitting Galaxies in VLT/MUSE Cubes
6.2 Detecting Continuum Galaxies in VLT/MUSE Cubes
6.3 Detecting Continuum Galaxies in HST Broad-Band Imaging

7 GALAXIES' PHYSICAL PROPERTIES
7.1 Optical Spectral Extraction
7.2 Spectral Classification
7.3 Matched Catalogues

8 CONCLUSIONS