Harris County topographic maps

Average elevation: 22 m

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Addicks Reservoir is formed by a rolled earthen dam 61,666 feet (18,796 m) long and above the streambed. A 12-foot-wide (3.7 m) gravel road extends along the top of the dam. The top of the dam has a maximum elevation of 121 feet (37 m) above the NAVD 1988 and is almost 50 feet high in points. The maximum…

Average elevation: 31 m

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Average elevation: 11 m

Settlement began in the Tomball area in the early 19th century, where settlers found an open, fertile land that received adequate rainfall—perfect conditions for farming and raising cattle. It was on a land granted in 1838 to William Hurd's heirs. In 1906 the area began to boom. Railroad line engineers often…

Average elevation: 53 m

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Average elevation: 41 m

Average elevation: 5 m

Average elevation: 19 m

In 1936 state highway maps indicated a cemetery and a church. Initially the settlement consisted of one and one-half square miles.Spring Valley, once known as Lusk, is at the intersection of Farm roads 2416 and 2113, fourteen miles southwest of Waco in southwestern McLennan County. A post office, called Lusk…

Average elevation: 25 m

Average elevation: 4 m

Average elevation: 42 m