Complex sentence: Secretary Lewis Evans approved an additional $14,000 for the second project after concerns that money was running out quickly, but it was not enough; money for the project ended on March 15,1963 with a total cost of $42,420.
Split into simpler sentences: Secretary Lewis Evans approved an additional $14,000 for the second project after concerns that money was running out quickly. Funding for the project ran out on March 15,1963, with a total cost of $42,420.