Show I l I AREA OF DETAILED MAPPING Notwithstanding Interruptions by War Larger Amount Was Covered Ir In I Year of 1918 I Prepared by the United State Department Depart ment meat of ot Agriculture Depart I Notwithstanding a certain amount of interruption due to war conditions in inthe inthe the work of the soil survey carried on onby onby onby I by the bureau of soils of the United St States tes department of agriculture a larger area of detailed mapping was done during the fiscal year 1918 than during the preceding year the lie area covered amounting to 3 2 i g y fk v p t y l Planet ble Used s d In Soil Soli Survey for for Constructing Base Map miles Prior to 1918 1918 a total of 45 square miles had been een mapped so that tha the total area cover covered d by the detailed ed work of the survey sursey at the close of ot June SO BO was wa's was wa's square miles That part of the United States State lying within ln regions w where ere the rah rainfall tall Is su sufficient lent for crop rop production or where water witter Is available for Irrigation covers covers cov coy ers ers approximately square miles The area mapped In detail dur- dur ing 1918 was equivalent to 22 2 per cent of ot this area areas the tot total l mapped In detail detail de de- de- de tail to date per cent and the thet total tal both detailed and nd work much of the latter area calling for no further work amounted t d to per perc percent percent c cent nf of of It |