IRRIGATION.: The International Congress Opens. Every Section of the Country Represented. Address of Welcome by Gov. Markham. Speeches by Mayor Bowan and Others. Gov. Emery of Kansas Elected Permanent Chairman--An Able Address by Col John P. Irish of San Francisco. OPENING SESSION. Addresses of Welcome--Election of Temporary Officers-Committees Appointed. THE CALL READ. GOV. MARKHAM'S ADDRESS. MAYOR ROWAN'S REMARKS. MR. PATTERSON'S SPEECH. IRRIGATION ENGINEERS ADMITTED TEMPORARY OFFICERS. CHAIRMAN MILLAY'S SPEECH. TEMPORARY SECRETARY. COMMITTEE ON CREDENTIALS. AFTERNOON SESSION. Report of the Committee on Credentials--Speech of the Permanent Chairman. LIST OF DELEGATES. APPOINTMENT OF COMMITTEES. PERMANENT OFFICERS. GOV. EMERY'S SPEECH. EVENING SESSION. An Eloquent Address by Col. John P. Irish. THE GREAT QUESTION. The Disposition to Be Made of the Arid Lands. CONVENTION NOTES. Points of Interest Picked Up About the Delegates.