individual publications

• academic article

  • Estimating conservation tillage residue using aerial photography.  Journal of Soil and Water Conservation.  42:130-132. 1987
  • Monitoring conservation tillage practices using Landsat multispectral data.  Journal of Soil and Water Conservation.  41:187-190. 1986

• report

  • Monitoring conservation tillage practices in San Luis Obispo County, California using Landsat film products.  32. 1985