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acres in 1956 and 1976 but dropped to 175 acres in 1987 and to 157 acres in 2001 as <br />parcels portions of the ditch were transferred to municipal use. <br />In Figure 10, the junior Reese Stiles Ditch (WDID 0500519) went from 100% pasture in <br />1976 to 28% pasture and 72% alfalfa in 1987 back to 100% pasture in 2001. The total <br />acreage under this ditch remained constant at 29 acres until 2001 when it dropped to 9 <br />acres. User-supplied acreage reported annually in HydroBase indicates acreage under <br />this ditch has both increased and decreased several times over the last 20 years, even <br />though water rights have not been transferred. <br />During this same time period, the junior Harris Ditch (WDID 0600611) went from 40% <br />alfalfa, 55% pasture, and 5% small grains in 1976 to 28% alfalfa, 62% corn, 5% dry <br />beans, and 5% pasture in 1987 to 28% alfalfa, 25% pasture, and 47% small grains in <br />2001. The total acreage under this ditch stayed relatively consistent at 59 acres in 1956 <br />and 1976 and 56 acres in 1987 and 2001. <br />Figure 9. Crop Type Changes Over Time for Representative Senior Ditches <br />Boulder County Senior Ditch Crop/Acreage Comparison <br />90000 ^ 100% <br />80000 ® O 90% <br />70000 80% <br />® 70% <br />60000 <br />0 <br />50000 60 /o <br />50% <br />40000 <br />40% <br />30000 ^ 30% <br />20000 - _~ 's _ 20% <br />-.__ .,,. <br />10000 ~ _,~_ _^ ~- 10% <br />0 ~` -_ _ 0% <br />Ag Stat Corn Ag Stat Grains Ag Stat Alfalfa <br />Ag Stat Beans Ag Stat Sugarbeets Ag Stat Pasture <br />Ag Stat Total GIS Alfalfa-0600536 ^ GIS Pasture-0600536 <br />o GIS Alfalfa-0500546 s GIS Pasture-0500546 ^ GIS Corn-0500546 <br />® GIS Grains-0500546 <br />Page 7 of 11 <br />