node-srs detecting http://spatialreference.org/ref/epsg/31258 for data from https://github.com/dasjo/austria_flood

srs.js

> var srs = require('srs')
undefined
> srs.parse('Hochwasser_Risikozonen.prj')
{ input: 'Hochwasser_Risikozonen.prj',
  proj4: '+proj=tmerc +lat_0=0 +lon_0=13.33333333333333 +k=1 +x_0=0 +y_0=-5000000 +ellps=bessel +units=m +no_defs',
  srid: undefined,
  auth: undefined,
  pretty_wkt: 'PROJCS["MGI_M31",\n    GEOGCS["GCS_MGI",\n        DATUM["D_MGI",\n            SPHEROID["Bessel_1841",6377397.155,299.1528128]],\n        PRIMEM["Greenwich",0.0],\n        UNIT["Degree",0.0174532925199433]],\n    PROJECTION["Transverse_Mercator"],\n    PARAMETER["False_Easting",0.0],\n    PARAMETER["False_Northing",-5000000.0],\n    PARAMETER["Central_Meridian",13.33333333333333],\n    PARAMETER["Scale_Factor",1.0],\n    PARAMETER["Latitude_Of_Origin",0.0],\n    UNIT["Meter",1.0]]',
  esri: false,
  name: 'MGI_M31',
  valid: true,
  is_geographic: false }