From the Montgomery County
Animal Watch column of the Washington Post:
Cattle Block Horse Trough
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DICKERSON, Comus Rd., 1 to 100 block, May 1. A farm owner reported that six black angus cattle from a neighbor's property had entered his field and were preventing his horses from getting to a water trough. Two animal services officers, with the help of several neighbors and the cattle owner, herded the animals across several fields back to their property.