Summary: The motion of Rifle Gap Dam was measured in September 1969 during the Project RULISON underground nuclear explosion. The observed response was then compared with the response computed in a mathematical model. Observed and computed responses were similar. From this study it appears that the mathematical models used are applicable to the design and analysis of soil structures, at least for ground motion intensities comparable to those observed at Rifle Gap Dam. (p. xi).

Report regarding refraction seismic and vibratory tests conducted on a railroad test embankment near Aikman, Kansas as well as attenuation and dynamic laboratory tests. The refraction seismic tests indicated the existence of two distinct velocity zones, one for the embankment and one for the underlying limestone bedrock.

Report on water-quality of Texas surface waters for 1970.

The annual report from the Economic Opportunities Development Corporation of San Antonio and Bexar County for years 1971-1972, providing information on the Board of Directors, the corporation's history, and various corporation programs.

Report on groundwater development and use in the Houston District of Texas from 1966-1969.

Report on the the increase in usage of groundwater in the Houston District and groundwater development needs for 1966-1969.

Monthly newsletter of the High Plains Underground Water Conservation District No. 1, discussing the field of underground water. Topics include profiles of water conservation research, annual pre-plant soil moisture survey data, annual Winter Water Level measurement data, and information about the latest water conservation tips.

This report is a list of comparisons between three tax reform bills that were proposed in the 92nd Congress, 1972.

Report on water studies and water budgets related to Hubbard Creek Reservoir, Texas for water years 1963-1967.

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Document issued by the Office of the Attorney General of Texas in Austin, Texas, providing an interpretation of Texas law. It provides the opinion of the Texas Attorney General, Crawford Martin, regarding a legal question submitted for clarification: Whether the proposed regulations of the State Board of Insurance for the safe movement and operation of mobile service units and dispensing of flammable liquids are invalid because in conflict with the federal rules and regulations which implement of the federal Occupational Safety and Health Act and related questions?

Document issued by the Office of the Attorney General of Texas in Austin, Texas, providing an interpretation of Texas law. It provides the opinion of the Texas Attorney General, Crawford Martin, regarding a legal question submitted for clarification: Authority of Coordinating Board to impose charges for late repayment of loans due under the college student loan program, pursuant to Section 52.01, et seq., Texas Education Code, and related questions.

Document issued by the Office of the Attorney General of Texas in Austin, Texas, providing an interpretation of Texas law. It provides the opinion of the Texas Attorney General, Crawford Martin, regarding a legal question submitted for clarification: Computation of semester credit hours at public junior colleges for state aid purposes and related questions.

Document issued by the Office of the Attorney General of Texas in Austin, Texas, providing an interpretation of Texas law. It provides the opinion of the Texas Attorney General, Crawford Martin, regarding a legal question submitted for clarification: Whether a licensed wholesale fish dealer may import black bass from Mexico for sale in Texas without dealing through a licensed custom broker, and related questions.

Document issued by the Office of the Attorney General of Texas in Austin, Texas, providing an interpretation of Texas law. It provides the opinion of the Texas Attorney General, Crawford Martin, regarding a legal question submitted for clarification; Questions relating to meanings of terms used in Art. 1015j-1, V.C.S.

Document issued by the Office of the Attorney General of Texas in Austin, Texas, providing an interpretation of Texas law. It provides the opinion of the Texas Attorney General, Crawford Martin, regarding a legal question submitted for clarification; Whether real property foreclosed by delinquent tax judgement may be sold there-under to the judgement debtor at the adjudged value of the property rather than for the full amount of the tax judgement, and related questions.

Document issued by the Office of the Attorney General of Texas in Austin, Texas, providing an interpretation of Texas law. It provides the opinion of the Texas Attorney General, Crawford Martin, regarding a legal question submitted for clarification; Legality of Texas Water Quality Board supplying public with "Clean Water" bumper stickers.

Document issued by the Office of the Attorney General of Texas in Austin, Texas, providing an interpretation of Texas law. It provides the opinion of the Texas Attorney General, Crawford Martin, regarding a legal question submitted for clarification; Several questions relating to creation of a Junior College District pursuant to Sec. 130.033, Texas Education Code.

Document issued by the Office of the Attorney General of Texas in Austin, Texas, providing an interpretation of Texas law. It provides the opinion of the Texas Attorney General, Crawford Martin, regarding a legal question submitted for clarification; Construction of Article 2340, V.C.S., and Article 373, V.P.C., concerning legality of purchases of employees of a county commissioner from the latter's store.

Document issued by the Office of the Attorney General of Texas in Austin, Texas, providing an interpretation of Texas law. It provides the opinion of the Texas Attorney General, Crawford Martin, regarding a legal question submitted for clarification; Construction of Article 6252-11a, V.C.S., relating to programs for training and education of State administrators and employees.

Document issued by the Office of the Attorney General of Texas in Austin, Texas, providing an interpretation of Texas law. It provides the opinion of the Texas Attorney General, Crawford Martin, regarding a legal question submitted for clarification; Whether students participating in a Federal College Work-Study Program at a Texas college or university may be deemed to be employees under the Texas Workmen's Compensation Act.

Document issued by the Office of the Attorney General of Texas in Austin, Texas, providing an interpretation of Texas law. It provides the opinion of the Texas Attorney General, Crawford Martin, regarding a legal question submitted for clarification; Whether a change from a sole proprietorship status to a corporation creates a new and separate legal entity, which requires the latter to obtain a First Year License under the Liquified Petroleum Gas Code, Section 9 B(5), Article 6066d, V.C.S.?

Document issued by the Office of the Attorney General of Texas in Austin, Texas, providing an interpretation of Texas law. It provides the opinion of the Texas Attorney General, Crawford Martin, regarding a legal question submitted for clarification; Affadavits for payment of claims against the State Highway Fund.

Document issued by the Office of the Attorney General of Texas in Austin, Texas, providing an interpretation of Texas law. It provides the opinion of the Texas Attorney General, Crawford Martin, regarding a legal question submitted for clarification; Driver Age Requirements for Transportation Enterprises, Inc., under Article 6678b, V.C.S.