Louis Brandeis

“ It is contended that since the contract provided that the government 'inspectors will keep a record of the work done,' since their estimates were relied upon by the contractor, and since by reason of the inspector's mistake the contractor was led to do work in excess of the appropriation, the United States is liable as upon an implied contract for the fair value of the work performed. ”

“ The limitation upon the authority to impose contract obligations upon the United States is as applicable to contracts by implication as it is to those expressly made. Nor did the subsequent use of the excavation by the government imply a promise to pay for it if at any time thereafter Congress should appropriate money to be applied in completing the improvement.
'Whenever a structure is permanently affixed to real property belonging to an individual, without his consent or request, he cannot be held responsible because of its subsequent use. It becomes his by being annexed to the soil ”

“ But if, through mistake of the government's representatives more work is done, and work is continued for a longer period, than was contracted for or authorized, the expenses of superintendence incident to the mistake should be borne by the government, and the contractor should not be made to suffer by the depletion of the appropriation. ”