River locations in a shapefile

Import these as Polyline data objects

Select this data object when creating a river boundary condition

Geological layers in a Surfer .GRD or ASCII GRD

Import these as Surface data objects

Select these data objects when defining horizons

Air photo with river location

Import this as a Map image

Then Create a new Polyline data object

Digitize the polyline in a 2D Viewer

Select this new polyline data object when creating a river boundary condition

XYZ points for geological contacts

Import these as Points data objects

Then "Create Surfaces" from these data objects

Select these surfaces when defining horizons or numerical model layers

Raster Grid of Kx or Recharge data (from Surfer, ESRI .GRD)

Import these as surface data objects

Select these data objects when defining properties or Recharge boundary conditions

Visual MODFLOW project or USGS MODFLOW files

Select the Numerical model workflow after creating a project

Select these files when prompted to Import Model. Learn more...

Learning more