a general description of each proposed project;

a priority evaluation of each proposed project;

a statement of the estimated benefits in such terms as: number of acres restored, miles of stream improved, acres of surface lands protected from subsidence, population protected from subsidence, air pollution, hazards of mine and coal refuse disposal area fires;

an estimate of the cost for each proposed project;

in the case of proposed research and demonstration projects, a description of the specific techniques to be evaluated or objective to be attained;

an identification of lands or interest therein to be acquired and the estimated cost; and

in each year after the first in which a plan is filed under this subchapter, an inventory of each project funded under the previous year’s grant: which inventory shall include details of financial expenditures on such project together with a brief description of each such project, including project locations, landowner’s name, acreage, type of reclamation performed.