gary guthrieat practicalfarmers.org Download PDF (99 kB) - Practical Farmers of Iowa Gary Guthrie calculated the cost of oil-Btk at $145 per acre. For Guthrie, the greater expense was labor. Using the oil can, his hand labor was approximately 73 .
gary guthrieat www.dol.gov Gary J. Guthrie -----Original Message-----. From: Guthrie, Gary J. [mailto:[email protected]]. Sent: Wednesday, September 10, 2008 12:54 PM. To: EBSA, E-ORI - EBSA.