6. Def…..
Definition of dam: is a solid barrier constructed at suitable location
across river valley called Dam.
Properties of mineral
1: physical
2: chemical
3: optical properties
12. History development of civil engineering
• the science and practice of engineering geology only commenced as
a recognized discipline until the late 19th and early 20th centuries.
The first book titled Engineering Geology was published in 1880 by
William Penning.
• The need for geologist on engineering works gained worldwide
attention in 1928 with the failure of the St. Francis Dam in California
and the death of 426 people.
13.
14.
15. Sample : taking small piece that stand the
whole environment .