March 28, 1930



Sr. Don I. Ochoterena,

Director, Museo Nacional,

Casa del Lago,

Chapultepec, Mexico



My dear Doctor Ochoterena:



I have at last resolved to break through all obstacles and to abandon for the moment pressing work and duties, which it is difficult for me to leave and to start for your beatuiful city early the coming week.  I shall know in a day or two what arrangements I can make for through transportation from St. Louis to the City of Mexico.  My plan now is to leave Pittsburgh either on the evening of the coming Monday, March 31st, or on the evening of the following Tuesday, April 1st.  In that case if all goes well I shall arive in the city of Mexico three days after starting, but my intention is to wire you when I come near your city.  



This letter is written at the last moment in some haste,a nd I am despatching it at once hoping that it will reach you in time to know my movements.  I am bringing with me the gentlemen who supervised and set up the Diplodocus, Mr. L.S. Coggeshall, who will be in immediate charge of the work of setting up the replica.  I shal probably remain with you long enough to see that everything is arranged for, but I doubt whether I can reamain until the work is completed, but shall probably, owing to my