Volume two contains appendices for the following reports: (1) a new technique for determining the methane content of coal; (2) the methane content of San Juan Basin Coal - implications for coalbed methane resource assessments; (3) diffusional effects in recovery of methane from coalbeds; (4) diffusional models for gas production from coal - application to methane content determination; (5) diffusion models for gas production from coal - determination of diffusion parameters; (6) the direct method of determining the methane content of coal - a modification; (7) methane recovery from coalbeds - effect of monolayer capacity and pore structure on gas content; and (8) methane diffusion and desorption in coal.