1 INTRODUCTION  
1.1 Mon R2 Giant Molecular Cloud  
2 DATA REDUCTION AND ANALYSIS  
2.1 Estimating dust properties  
2.2 Modified blackbody fits  
2.3 Rayleigh-Jeans limitation  
2.4 Emissivity calibration offset  
3 COLUMN DENSITY DISTRIBUTION  
3.1 Column density distribution function, N-PDF  
3.2 Regional N-PDF analysis  
4 CONCLUSIONS AND FUTURE WORK