Cross reference
Genesis 41:29
29 Seven years are coming in which there will be great wealth of grain in Egypt;
Genesis 41:26
26 The seven fat cows are seven years, and the seven good heads of grain are seven years: the two have the same sense.
Genesis 41:46-47
46 Now Joseph was thirty years old when he came before Pharaoh, king of Egypt. And Joseph went out from before the face of Pharaoh and went through all the land of Egypt.
47 Now in the seven good years the earth gave fruit in masses.
Genesis 41:49
49 So he got together a store of grain like the sand of the sea; so great a store that after a time he gave up measuring it, for it might not be measured.