For Children and Adolescents. All children should get their first dose of hepatitis B vaccine at birth and complete the vaccine series by 6-18 months old. Hepatitis B vaccine is recommended for all babies so that they will be protected from a serious but preventable disease.
Leadville has an alpine subarctic climate with cold winters and mild summers, bordering on a cold semi-arid climate. The average January temperatures are a maximum of 31.1 Â°F (â0.5 Â°C) and a minimum of 3.1 Â°F (â16.1 Â°C). The average July temperatures are a maximum of 72.2 Â°F (22.3 Â°C) and a minimum of 37.8 Â°F (3.2 Â°C).
In the late 19th century, Leadville was the second most populous city in Colorado, after Denver. The United States Census Bureau estimates that the city population has shrunk to only 2,688 in 2005. Placer gold was discovered in California Gulch in 1860, during the Pikes Peak Gold Rush, and the town of Oro City sprung up near present-day Leadville.