@article{184573, note = {Distributed to depository libraries in microfiche.}, author = {Gillespie, Stephen.}, url = {http://library.usi.edu/record/184573}, title = {Cost-benefit analysis of the initiative to accelerate the digitizing of 7.5-minute maps [microform] /}, publisher = {U.S. Dept. of the Interior, U.S. Geological Survey, National Mapping Division ;}, recid = {184573}, pages = {viii, 69 p. :}, address = {[Reston, Va.] :}, year = {1993}, }